- We are committed to providing customers with high quality, high capacity and lowest price gateway squ-721 laptop battery.
- Chemistry: li-ion
- Voltage: 11.1V
- Capacity: 5200mAh
- Dimension: 8.08" x 1.98" x 0.85"
- Color: Black
- Net Weight: 452g
- Availability: In Stock
- Shipping Method: USPS
- Usually ships in the same business day.
- High quality 6 Cells Gateway Squ-721 Battery- brand new
Showing posts with label battery. Show all posts
Showing posts with label battery. Show all posts
Friday, December 18, 2009
Gateway Squ-721 Laptop Battery Replacement
Sunday, October 12, 2008
Charging techniques
A number of lithium batteries is equipped with notebook computers, such as the use of the wisdom of the SBS battery technology, accurate measurement of battery life, so to use up some of the worry. The use of nickel-metal hydride batteries should be careful not to over-charge frequently, or else they will reduce the battery life, so to very good control of the charging time.
Ni-MH battery charge in the pre-discharge should be in charge should be fully recharged, the use of methods and the use of mobile phones and pay attention to issues of Ni-MH battery is the same. Bought a new nickel-metal hydride battery cell phone, require the completion of three fully charged and discharged after a normal start to use it, the laptop battery should also be the case.
Most users accustomed to the use of each notebook computer, plug the AC power supply, with very little battery power for laptops. In fact, at least a month should be used to power batteries once or twice, the battery will be fully used up, followed on a one-time full of alternating current. Remember this one:
rechargeable batteries, dry full charge, useful and friendly, just do it a little trouble.
When the need to replace notebook batteries, preferably with a selection of models to replace the battery. However, if the old computer is to use nickel-metal hydride batteries, in order for longer battery-powered, of course, can also be specified by the computer user's manual or manufacturer's recommended selection of models of lithium batteries.
Ni-MH battery charge in the pre-discharge should be in charge should be fully recharged, the use of methods and the use of mobile phones and pay attention to issues of Ni-MH battery is the same. Bought a new nickel-metal hydride battery cell phone, require the completion of three fully charged and discharged after a normal start to use it, the laptop battery should also be the case.
Most users accustomed to the use of each notebook computer, plug the AC power supply, with very little battery power for laptops. In fact, at least a month should be used to power batteries once or twice, the battery will be fully used up, followed on a one-time full of alternating current. Remember this one:
rechargeable batteries, dry full charge, useful and friendly, just do it a little trouble.
When the need to replace notebook batteries, preferably with a selection of models to replace the battery. However, if the old computer is to use nickel-metal hydride batteries, in order for longer battery-powered, of course, can also be specified by the computer user's manual or manufacturer's recommended selection of models of lithium batteries.
The use of laptop batteries and energy-saving skills
Look at popular science books as a child, learned through training in mice with the roller cage in one direction on North Korea to carry out running for the next generation to provide electricity, very strange. But the idea of the industry and the latest ideas, it is necessary to the far less. In order to get laptop power supply to support a longer period of time, the industry invented a patented technology: the keyboard charger.
Keyboard charger
The charger is a key concept: a magnet assembly in a number of keys on the keyboard, power button mounted on a coil seat, tapping the keyboard when the user when the magnet coils in the campaign, resulting in induced current, the current through into later To come to the battery charge. It is said that those gathered by tapping the energy of the keyboard, battery life can be increased by 20%. To be playing a joke, the proposal in its notebook computer casings on the coat light bulbs, power failure or Zouye Lu day when beating the keyboard to lighting, is really called "flashlight."
Energy-saving notebook is a request
Not long ago, playing one of the old 386 laptop, which does not drive, multi-media did not, of course, can not keep up with current notebook fun, but one thing I feel deeply that the battery seems to be very durable. Although there is no computer is now 386 strong computer 3D and multimedia features, but from the word-processing needs of the energy point of view, it is much more energy. In all fairness, the notebook is really not as easy to use desktop, the reason why we use the notebook computers, because we lack a fixed quietly sitting in one place of business conditions, so we have to move office, so we are not the notebook computers for the completion of the What 3D design and video production, not what is used to playing three-dimensional simulation of the game, all the basic word processing, data and Internet use, such as office and therefore may not need the latest CPU and strong 3D accelerator card, it is necessary to know that these two components in the Desktop are in need of cooling fans, that is to say they are energy-hungry. If you care about battery time-keeping, you buy the laptops when they should take these factors into account.
Nickel-metal hydride batteries and lithium batteries
At present, the major notebook computer batteries using both: Ni-MH battery and lithium batteries. Since there are two types of cells exist in the market, of course, also have their advantages and disadvantages. The most obvious one, that is, we buy cell phones when they have made very clear that the Ni-MH battery cheaper than lithium batteries, its negative side is the relative size and weight of larger. Lithium batteries with these characteristics is just the opposite. As the user like lighter, thinner, longer battery maintenance of the notebook computer, so lithium batteries subject to the pursuit of more high-end products favored by the user.
Keyboard charger
The charger is a key concept: a magnet assembly in a number of keys on the keyboard, power button mounted on a coil seat, tapping the keyboard when the user when the magnet coils in the campaign, resulting in induced current, the current through into later To come to the battery charge. It is said that those gathered by tapping the energy of the keyboard, battery life can be increased by 20%. To be playing a joke, the proposal in its notebook computer casings on the coat light bulbs, power failure or Zouye Lu day when beating the keyboard to lighting, is really called "flashlight."
Energy-saving notebook is a request
Not long ago, playing one of the old 386 laptop, which does not drive, multi-media did not, of course, can not keep up with current notebook fun, but one thing I feel deeply that the battery seems to be very durable. Although there is no computer is now 386 strong computer 3D and multimedia features, but from the word-processing needs of the energy point of view, it is much more energy. In all fairness, the notebook is really not as easy to use desktop, the reason why we use the notebook computers, because we lack a fixed quietly sitting in one place of business conditions, so we have to move office, so we are not the notebook computers for the completion of the What 3D design and video production, not what is used to playing three-dimensional simulation of the game, all the basic word processing, data and Internet use, such as office and therefore may not need the latest CPU and strong 3D accelerator card, it is necessary to know that these two components in the Desktop are in need of cooling fans, that is to say they are energy-hungry. If you care about battery time-keeping, you buy the laptops when they should take these factors into account.
Nickel-metal hydride batteries and lithium batteries
At present, the major notebook computer batteries using both: Ni-MH battery and lithium batteries. Since there are two types of cells exist in the market, of course, also have their advantages and disadvantages. The most obvious one, that is, we buy cell phones when they have made very clear that the Ni-MH battery cheaper than lithium batteries, its negative side is the relative size and weight of larger. Lithium batteries with these characteristics is just the opposite. As the user like lighter, thinner, longer battery maintenance of the notebook computer, so lithium batteries subject to the pursuit of more high-end products favored by the user.
Tuesday, September 16, 2008
Amorphous silicon thin-film solar cells increased investment
As TFT-LCD (thin film transistor liquid crystal display) technology has been very mature, large area amorphous silicon film uniformity of the silicon technology can be transplanted to the production of thin film batteries. The current practice is usually used in the TFT-LCD technology for the production of thin film transistor devices, to produce amorphous silicon thin-film solar cells. U.S., Europe and Japan's semiconductor equipment suppliers, are trying to enter this market. In addition to these providers in the market competition, one after another through mergers and reorganizations, personnel and other means to increase the recruitment of products, processes, equipment research and development, and strive to long-term competition in the market for a sustained competitive advantage.
In business investment, many of crystalline silicon cells in the manufacturers continue to enlarge and strengthen the existing products, but also look to silicon cells, their intention to improve and enrich the product line. Interestingly, more than the original solar industry enterprises, investment in the entire solar thermal encouragement, the silicon thin film solar cells have chosen as their entry point into the industry, in a bid to in this new market plan In the place. These new entrants to the solar industry a new face, but also exacerbated the industry's competitiveness and risk. According to incomplete statistics, only in China have at least nine new investment projects silicon thin film battery is being implemented, the design of the total annual production capacity of around 900 MW, while potential investors and ongoing projects are more pre-planned.
Raw material costs should be most concerned about
It seems that despite the current silicon thin film battery profit great, but now the face of this rapidly changing market customers and raw material supply chain environment, any hope that the people involved in this area should be well aware of the risks faced by the where, Effectively avoid and guard against those risks.
Use of internationally renowned simulation software company's software tools, and to collect data such as the production cost basis, we built an amorphous silicon thin film solar cell production line simulation model. Using this model the cost analysis, we can not only be the cost of flat products and its composition, but also in accordance with international practice the principle of the expenditure will be assessed to the various processing, thus clearly see that the expenditure of the overall cost of And the proportion of the causes, to accurately assess their risk level for the investment decision-making and production operations for reference.
Internal rate of return is a measure of investment projects of the important economic indicator. At the present market conditions analysis, one with an annual output of 40 MW-60MW silicon thin film battery production line project's internal rate of return far greater than 12% of the industry benchmark yield. Nevertheless, market and technical aspects of the uncertainty of the investment will bring huge risks. Therefore, we also focus on the simulation model to project internal rate of return for a sensitivity analysis. The results shown in Figure 2, the product of the sales price is the most sensitive factors. In practice, this was not surprising, the production of any of the benefits are directly determined by the sales revenues and cost of the product. The terms of solar cells, photoelectric conversion efficiency of the products also decided to battery components sales price of important factors. If the assumption that every watt of solar cells at the same, when the photoelectric conversion efficiency from 6 percent to 6.5 percent, a component of the sales price increased by 8 percent, while its production cost is almost the same, this will obviously The proceeds of the project have a great impact.
As at different times, different locations of their different objective conditions, the map of the specific data is not immutable, in some special conditions may even need to do more of the adjustment, but by the above analysis reveals some of the issues, it should be Is a common reference value.
Faced with investment still cool thinking
Investment boom in solar cells, silicon cells seem to have become hot spots in the hot spots. Experts have pointed out that thin film solar cell in the next five years -10 years will be about 50 percent of the annual average growth rate of growth to 2030 will account for the overall share of the solar cell more than 30 percent.
In business investment, many of crystalline silicon cells in the manufacturers continue to enlarge and strengthen the existing products, but also look to silicon cells, their intention to improve and enrich the product line. Interestingly, more than the original solar industry enterprises, investment in the entire solar thermal encouragement, the silicon thin film solar cells have chosen as their entry point into the industry, in a bid to in this new market plan In the place. These new entrants to the solar industry a new face, but also exacerbated the industry's competitiveness and risk. According to incomplete statistics, only in China have at least nine new investment projects silicon thin film battery is being implemented, the design of the total annual production capacity of around 900 MW, while potential investors and ongoing projects are more pre-planned.
Raw material costs should be most concerned about
It seems that despite the current silicon thin film battery profit great, but now the face of this rapidly changing market customers and raw material supply chain environment, any hope that the people involved in this area should be well aware of the risks faced by the where, Effectively avoid and guard against those risks.
Use of internationally renowned simulation software company's software tools, and to collect data such as the production cost basis, we built an amorphous silicon thin film solar cell production line simulation model. Using this model the cost analysis, we can not only be the cost of flat products and its composition, but also in accordance with international practice the principle of the expenditure will be assessed to the various processing, thus clearly see that the expenditure of the overall cost of And the proportion of the causes, to accurately assess their risk level for the investment decision-making and production operations for reference.
Internal rate of return is a measure of investment projects of the important economic indicator. At the present market conditions analysis, one with an annual output of 40 MW-60MW silicon thin film battery production line project's internal rate of return far greater than 12% of the industry benchmark yield. Nevertheless, market and technical aspects of the uncertainty of the investment will bring huge risks. Therefore, we also focus on the simulation model to project internal rate of return for a sensitivity analysis. The results shown in Figure 2, the product of the sales price is the most sensitive factors. In practice, this was not surprising, the production of any of the benefits are directly determined by the sales revenues and cost of the product. The terms of solar cells, photoelectric conversion efficiency of the products also decided to battery components sales price of important factors. If the assumption that every watt of solar cells at the same, when the photoelectric conversion efficiency from 6 percent to 6.5 percent, a component of the sales price increased by 8 percent, while its production cost is almost the same, this will obviously The proceeds of the project have a great impact.
As at different times, different locations of their different objective conditions, the map of the specific data is not immutable, in some special conditions may even need to do more of the adjustment, but by the above analysis reveals some of the issues, it should be Is a common reference value.
Faced with investment still cool thinking
Investment boom in solar cells, silicon cells seem to have become hot spots in the hot spots. Experts have pointed out that thin film solar cell in the next five years -10 years will be about 50 percent of the annual average growth rate of growth to 2030 will account for the overall share of the solar cell more than 30 percent.
Monday, August 11, 2008
about hp compaq laptop
After HP and Compaq nearly a year of "marriage" in the May 7, 2002 with Hewlett-Packard CEO Carly Fiorina (Fiorina) out of that, Compaq and Hewlett-Packard formally merged to set up a new Hewlett-Packard Company. After the merger the new HP close to the basic scale of IBM.
After six months, the people of HP and Compaq merger success and there is speculation questioned, but six months after the new HP in the market, but the outstanding performance of shock and joy of the people of the world. Hewlett-Packard and Compaq merger also represents a global trend towards the IT industry. Hewlett-Packard (HP) and Compaq (COMPAQ) is the predecessor of the new HP. Hewlett-Packard in high-performance computing to the field of "nodes" technology and "Itanium" famous, the so-called single-node to node is SMP (symmetric multi-processor) in the form of high-performance computing, can provide up to 64 CPU's supercomputer; Itanium is Intel and HP jointly developed a high-end processing chips, a powerful floating-point operations and show parallel instruction computing function, high-end servers provide outstanding performance. Compaq is cluster technology and the elite, it will the smaller cluster of machines to provide to users, to ensure high performance at the same time, the user provides a more reliable performance.
If these two can think technology integration, server performance will be rapid improvement. So Fiorina after the merger of the two ambitious technological superiority, and the company's structure, operations, marketing strategies are carried out a drastic reform. HP's new core group has four main components: Enterprise Systems Group (ESG), professional services and support groups (HPS), Print and Imaging Systems Group (IPG), Information Products Group (PSG). According to Fiorina's strategic planning, HP and Compaq's technology integration, the new company will be in the PC, server, Chen Xiong in the field of global high-end printers in the IT consulting and outsourcing services, data storage areas will also have the challenge of IBM, EMC hegemonic position of strength.
HP Laptop Batteries Code AS Following！
Hp 337607-001 Hp 338794-001 Hp Cgr-b1870ae Hp f1045a Hp f1450a Hp f1739a Hp f2019a Hp f2024b Hp f2105a Hp f2299a Hp f3172a Hp f3172b Hp f4098a Hp f4486-60001 Hp f4486a Hp f4486b Hp f4809a Hp f4812a Hp Hstnn-lb31 Hp pm579a
Compaq Laptop Batteries Code AS Following！
compaq dp390a compaq dp399a compaq dr31 compaq ev088aa compaq ex941aa compaq hstnn-db02 compaq hstnn-lb31 compaq hstnn-ub02 compaq l18650-ce70 compaq 109095-b21 compaq 116314-001 compaq 139504-001 compaq 139505-001 compaq 139508-001 compaq 182281-001 compaq 196345-b21 compaq 196345-b22 compaq 204263-001 compaq 213282-001 compaq 213511-001 compaq 220324-001 compaq 220799-001 compaq 231445-001 compaq 233336-001 compaq 235596-001 compaq 235883-b21 compaq 246437-002 compaq 247051-001 compaq 247613-001 compaq 247613-102 compaq 267865-001 compaq 267865-b25 compaq 273036-001 compaq 273044-001 compaq 292389-001 compaq 301956-001 compaq 310316-b21 compaq 315338-001 compaq 316369-001 compaq 317173-101 compaq 319411-001 compaq 346970-001 compaq 354126-001 compaq 367759-001 compaq 405231-001 compaq 411462-421 compaq 417066-001 compaq 54233-001
Resource from:
HP Batteries Replacement
Compaq Batteries Replacement USA
- Laptop Batteries
- HP Envy 13-1000 Battery
- Compaq 420 Battery
- Hp laptop Battery
- HP Envy 17 Battery
Other Electronics News
Sunday, August 10, 2008
How to calibrate the battery
To make the battery able to achieve the best performance, certain models of laptop computers provided a battery calibration, the first battery, can use the feature on the battery calibration. Calibration procedures will be exhausted electricity, and then again full of power, which enables Windows battery of the right to monitor the battery status. Battery calibration steps are as follows.
(1) plug in the power adapter.
(2) to restart your computer to start the screen appears, enter the BIOS by the F2 key procedures.
(3) in the BIOS program, select Exit project, and choose Battery Auto-Learning option.
(4) press the Enter key to select Battery Auto-Learning options (front will appear a “√”).
(5) select Exit projects in the Save and Exit options, save your settings, and exit the BIOS program.
(6) The system will restart and began to calibrate the battery.
Friday, May 2, 2008
Mp3 Player Purchase Tips
The idea of having a portable audio player goes back many years ago, when the option was then quite large tape cassette game two audio speakers. Eventually, these devices smaller and arrived back in the late seventies a hand size audio cassette tape player was made available. Now, as electronics and evolved with the mp3 audio format, one can meet their needs for a portable audio device through the use of mp3 players.
MP3 became very popular and is very common to see people using at the same time doing many activities such as running, go to work, travel, buy groceries, the tasks related to computer and others.
For those who intend to buy an MP3 player, one might consider the following suggestions:
1 - The internal memory size of an MP3 player will determine the amount of songs mp3 device will be able to sustain. Some models can even have an internal hard drive to store songs, however the size and price can go up a bit and are not recommended for use by intense physical activity. In addition, some models may have the option of flash memory.
2 - The battery life is a very important feature, because it will determine how many hours the MP3 player function properly. Make sure the mp3 player comes with an AC / DV adapter for quick battery charge.
3 - There is a lot of sizes of mp3 players. Features such as a larger screen, video capability, hard disk and others, all joined to a larger size. And the price too!
4 - The way an MP3 player is connected to a computer is also a very important feature. Latest model may support high-speed USB 2.0 transfer. Some others may even have Firewire support.
5 - Some mp3 players even may accept other, as well as mp3 audio format, as WMA format. Check the specification of the player if this feature will be used.
6 - also mp3 players may have other functions besides playing mp3. Features such as FM tuner and audio recording capability, may be of some interest to some users.
7 - As far as prices make sure the player that has just been mp3 buy the characteristics you are looking for. Why pay more for features that are not going to use anyway? MP3 players can be purchased for prices from fifty to several hundred dollars. Make the players will cost even more.
Portable MP3 players have become a product must have desire among the younger population. After all almost everyone has one. So if you don 'have yet achieved, it's time to keep up with modern times.
This article is licensed under the GNU FDL and can be distributed without prior permission of the author. However, the author's name and all URL's (links) mentioned in Article biography and should be retained.
This article is also available in Portuguese language section of Article news page http://www.polomercantil.com.br/mp3-mp4-audio-portatil.php
notebook batteries supply hp replacement battery.
MP3 became very popular and is very common to see people using at the same time doing many activities such as running, go to work, travel, buy groceries, the tasks related to computer and others.
For those who intend to buy an MP3 player, one might consider the following suggestions:
1 - The internal memory size of an MP3 player will determine the amount of songs mp3 device will be able to sustain. Some models can even have an internal hard drive to store songs, however the size and price can go up a bit and are not recommended for use by intense physical activity. In addition, some models may have the option of flash memory.
2 - The battery life is a very important feature, because it will determine how many hours the MP3 player function properly. Make sure the mp3 player comes with an AC / DV adapter for quick battery charge.
3 - There is a lot of sizes of mp3 players. Features such as a larger screen, video capability, hard disk and others, all joined to a larger size. And the price too!
4 - The way an MP3 player is connected to a computer is also a very important feature. Latest model may support high-speed USB 2.0 transfer. Some others may even have Firewire support.
5 - Some mp3 players even may accept other, as well as mp3 audio format, as WMA format. Check the specification of the player if this feature will be used.
6 - also mp3 players may have other functions besides playing mp3. Features such as FM tuner and audio recording capability, may be of some interest to some users.
7 - As far as prices make sure the player that has just been mp3 buy the characteristics you are looking for. Why pay more for features that are not going to use anyway? MP3 players can be purchased for prices from fifty to several hundred dollars. Make the players will cost even more.
Portable MP3 players have become a product must have desire among the younger population. After all almost everyone has one. So if you don 'have yet achieved, it's time to keep up with modern times.
This article is licensed under the GNU FDL and can be distributed without prior permission of the author. However, the author's name and all URL's (links) mentioned in Article biography and should be retained.
This article is also available in Portuguese language section of Article news page http://www.polomercantil.com.br/mp3-mp4-audio-portatil.php
notebook batteries supply hp replacement battery.
Avoiding Digital Camera Shakes
If you've ever seen a blurred image that is, is probably because most of the camera shake, while the photo was taken. With traditional film cameras, it was clear only after the negative and positive were made. However, with digital camera, the captured image can be seen immediately on the LCD screen, and if the image has been shaken, then it can be discarded for a new shot.
Digital camera shakes are common with new users. This is mainly because, new users have not fully grasped that the shutter release button should not be pressed twice, but pushed two steps down. The first step locks the focus and exposure, while the second step is the photo. This pressing the button has to be soft, otherwise, the digital camera and shakes a blurred image is the result.
The shutter speed also plays an important role in blurring the image. The shutter speed is the amount of time the shutter stays open to allow light to reach the digital camera sensor. It is measured in seconds or fractions of a second. An image is exposed by a combination of the lens aperture and shutter speed. A slow shutter speed needs a small aperture (large number of F-stop) to avoid over-exposure. With a slow shutter speed below 1/60th of a second, along the exposure is adequately controlled, but the digital camera is more likely to vibrate, giving an image unstable.
A tripod is very useful to eliminate the digital camera shakes. It is generally used by sports photographers use telephoto long as it helps to close-ups, landscape and panning shots, the exposure time to shoot at slow shutter speeds, and to shoot low or dim light conditions. Shooting a subject moving fast, like athletes, or wildlife, testing the photographer `s skill and equipment. In such cases, the camera is shaken more likely to occur, and hence, a stand or a tripod is always used. Digital cameras mounted on tripods always tend to remove the camera and shakes sharp yield results.
A great feature in most high-end digital cameras available today is image stabilization (IS). IS is a system Anti-Shake technology and reducing vibrations and is common in digital cameras with telephoto zoom across 10X and 12X. With IS, sharp images can be obtained even if the camera trembles a bit, a slow shutter speed is used, shooting takes place in low-light conditions, or a tripod is not used. IS originally was developed for video cameras. Currently, is available in interchangeable lenses, consumer and professional digital cameras, which use optical image stabilization. Sports and wildlife photographers use a tripod and is a technology together for maximum sharpness of his photographs, however, many other photographers in turn is the role while using a tripod.
Digital camera shakes can be eliminated or minimized the use of the techniques above. However, the fundamentals of taking a good shot prove more effective in preventing the camera trembles, in the absence of tripods, or is the technology.
The foundations of good photograph should be followed. You must have the digital camera with both hands. You must keep your legs apart with knees slightly bent forward. His elbows should riostras with your body and your body riostras with some support, if possible. In general, they must develop and compose an image with the viewer and not the LCD. You should not jab but slightly press the shutter release button two steps down, and during that time, it would be beneficial to keep breathing to prevent any movement of the chest and hands. With this basic technique of good photograph, you can be sure that your digital camera is not and will not shake the image blurred.
This article is licensed under the GNU FDL and can be distributed without prior permission of the author. However, the author's name and all URLs (links) in the said article and biography must be maintained.
This article is also available in Portuguese language article on page section http://www.polomercantil.com.br/camera-digital.php
notebook batteries ,laptop batteries, laptop battery ,notebook battery,note book battery,
Digital camera shakes are common with new users. This is mainly because, new users have not fully grasped that the shutter release button should not be pressed twice, but pushed two steps down. The first step locks the focus and exposure, while the second step is the photo. This pressing the button has to be soft, otherwise, the digital camera and shakes a blurred image is the result.
The shutter speed also plays an important role in blurring the image. The shutter speed is the amount of time the shutter stays open to allow light to reach the digital camera sensor. It is measured in seconds or fractions of a second. An image is exposed by a combination of the lens aperture and shutter speed. A slow shutter speed needs a small aperture (large number of F-stop) to avoid over-exposure. With a slow shutter speed below 1/60th of a second, along the exposure is adequately controlled, but the digital camera is more likely to vibrate, giving an image unstable.
A tripod is very useful to eliminate the digital camera shakes. It is generally used by sports photographers use telephoto long as it helps to close-ups, landscape and panning shots, the exposure time to shoot at slow shutter speeds, and to shoot low or dim light conditions. Shooting a subject moving fast, like athletes, or wildlife, testing the photographer `s skill and equipment. In such cases, the camera is shaken more likely to occur, and hence, a stand or a tripod is always used. Digital cameras mounted on tripods always tend to remove the camera and shakes sharp yield results.
A great feature in most high-end digital cameras available today is image stabilization (IS). IS is a system Anti-Shake technology and reducing vibrations and is common in digital cameras with telephoto zoom across 10X and 12X. With IS, sharp images can be obtained even if the camera trembles a bit, a slow shutter speed is used, shooting takes place in low-light conditions, or a tripod is not used. IS originally was developed for video cameras. Currently, is available in interchangeable lenses, consumer and professional digital cameras, which use optical image stabilization. Sports and wildlife photographers use a tripod and is a technology together for maximum sharpness of his photographs, however, many other photographers in turn is the role while using a tripod.
Digital camera shakes can be eliminated or minimized the use of the techniques above. However, the fundamentals of taking a good shot prove more effective in preventing the camera trembles, in the absence of tripods, or is the technology.
The foundations of good photograph should be followed. You must have the digital camera with both hands. You must keep your legs apart with knees slightly bent forward. His elbows should riostras with your body and your body riostras with some support, if possible. In general, they must develop and compose an image with the viewer and not the LCD. You should not jab but slightly press the shutter release button two steps down, and during that time, it would be beneficial to keep breathing to prevent any movement of the chest and hands. With this basic technique of good photograph, you can be sure that your digital camera is not and will not shake the image blurred.
This article is licensed under the GNU FDL and can be distributed without prior permission of the author. However, the author's name and all URLs (links) in the said article and biography must be maintained.
This article is also available in Portuguese language article on page section http://www.polomercantil.com.br/camera-digital.php
notebook batteries ,laptop batteries, laptop battery ,notebook battery,note book battery,
Wednesday, April 23, 2008
Standard Battery
Standard Battery
The most famous is the standard battery-Houston, sub-saturated and unsaturated-two. Its standards for EMF 1.01864 V (20 ℃). Non-saturation of the saturation voltage-temperature coefficient of about 1 / 4.
Paste-zinc - manganese batteries
Zinc from cones, paste layer, manganese dioxide as cathode, the carbon rods, copper caps, and other components. Most outside layer is a tube of zinc, it is the battery anode and Jianzuo containers, in the course of discharging it to be gradually dissolved; Central is a set flow from the role of the carbon rod; tightly around the root of this is a carbon rod From dark brown or black manganese dioxide powder and a conductive material (graphite or acetylene black) posed by a mixture of it with carbon rod with a battery of the cathode, also known as carbon package. To avoid the evaporation of water, batteries with the top or asphalt sealing wax. Zinc - manganese batteries work for the zinc electrode reaction is: Zn → Zn2 + +2 e
Cardboard-zinc - manganese batteries
In paste-zinc - on the basis of manganese dry batteries from improving. It thickness of 70 to 100 microns in non-metallic impurities in the high-quality kraft paper-based, with good mash-coating the surface, made of cardboard again after drying, to replace the zinc-paste - manganese dry batteries in Electrolyte layer cake. Cardboard-zinc - manganese batteries of the actual discharge capacity than ordinary zinc-paste - manganese batteries to be higher than the 2 to 3 times. Marked "high performance" on the batteries for the vast majority of cardboard.
Alkaline zinc - manganese batteries
Electrolyte from its amalgam of zinc powder, 35 percent of the potassium hydroxide solution with some of the sodium carboxymethyl cellulose paste from. Since potassium hydroxide solution of the lower freezing point, the resistance of small, alkaline zinc - manganese dry batteries in temperatures of -20 ℃, and to large current discharge. Alkaline zinc - manganese batteries can charge and discharge cycle 40 times, but the charge can not be carried out before the depth of discharge (to retain 60% to 70% of capacity), and the need to strictly control the charge current and charge end-voltage.
Laminated zinc - manganese batteries
Several compact from the flat-shaped battery stack with a single. Every single cell by the plastic, zinc skin, conductive film and paper divide, carbon cake (cathode). Divide paper is a suction that the electrolyte layer of the surface starch slurry of paper, paste it in the skin of zinc above; divide carbon paper is above the pie. Divide paper-like paste, paste layer of dry batteries, zinc Paper isolation from the anode and cathode the role of carbon cake. Laminated zinc - minus the manganese dry batteries Cylindrical batteries in series-paste composition of trouble, its compact, small size, volume ratio of large capacity, but shorter storage life and the resistance of larger and therefore should not be too large discharge current.
Alkaline batteries
And the lead-acid batteries with the capacity compared to its small size, long life, to the current discharge, but the high cost. Alkaline battery materials into the plate of iron-nickel, nickel-cadmium, silver zinc batteries, and other series. Nickel-cadmium batteries as an example, alkaline batteries is the working principle: battery plates of the active substance in the charge, the cathode plate for nickel hydroxide [Ni (OH) 3], anode plate for the metal cadmium (Cd); and discharge Terminated, positive change for the plate-nickel hydroxide [Ni (OH2)], to change negative plates cadmium hydroxide [Cd (OH) 2], Electrolyte more choice of potassium hydroxide (KOH) solution.
Metal - air battery
To the oxygen in the air as a cathode active material, metal as a negative activity of a high-energy battery material. The metal is generally the use of magnesium, aluminum, zinc, cadmium, iron, etc.; electrolyte for the solution. zinc-air battery which has become a mature product.
Metal - air battery has a high ratio of energy, it is because air is not included in the weight of the batteries. zinc-air battery of energy than is now the highest in the production of batteries, has reached 400 kilowatt hours / kg (Wh / kg), is a high-performance batteries in power, and high-power battery positive direction. The current production of the metal - air battery is a battery; Development of secondary metal - air batteries for the replacement of metal electrodes used mechanical rechargeable battery. As metal - air battery work to continue to supply the air, so it can not be sealed in the state or the lack of air environment. In addition, the battery in the electrolyte solution vulnerable to the impact of air humidity battery performance decreased oxygen in the air through the air will spread to metal electrodes and electrode, the formation of corrosion from the battery self-discharge.
The most famous is the standard battery-Houston, sub-saturated and unsaturated-two. Its standards for EMF 1.01864 V (20 ℃). Non-saturation of the saturation voltage-temperature coefficient of about 1 / 4.
Paste-zinc - manganese batteries
Zinc from cones, paste layer, manganese dioxide as cathode, the carbon rods, copper caps, and other components. Most outside layer is a tube of zinc, it is the battery anode and Jianzuo containers, in the course of discharging it to be gradually dissolved; Central is a set flow from the role of the carbon rod; tightly around the root of this is a carbon rod From dark brown or black manganese dioxide powder and a conductive material (graphite or acetylene black) posed by a mixture of it with carbon rod with a battery of the cathode, also known as carbon package. To avoid the evaporation of water, batteries with the top or asphalt sealing wax. Zinc - manganese batteries work for the zinc electrode reaction is: Zn → Zn2 + +2 e
Cardboard-zinc - manganese batteries
In paste-zinc - on the basis of manganese dry batteries from improving. It thickness of 70 to 100 microns in non-metallic impurities in the high-quality kraft paper-based, with good mash-coating the surface, made of cardboard again after drying, to replace the zinc-paste - manganese dry batteries in Electrolyte layer cake. Cardboard-zinc - manganese batteries of the actual discharge capacity than ordinary zinc-paste - manganese batteries to be higher than the 2 to 3 times. Marked "high performance" on the batteries for the vast majority of cardboard.
Alkaline zinc - manganese batteries
Electrolyte from its amalgam of zinc powder, 35 percent of the potassium hydroxide solution with some of the sodium carboxymethyl cellulose paste from. Since potassium hydroxide solution of the lower freezing point, the resistance of small, alkaline zinc - manganese dry batteries in temperatures of -20 ℃, and to large current discharge. Alkaline zinc - manganese batteries can charge and discharge cycle 40 times, but the charge can not be carried out before the depth of discharge (to retain 60% to 70% of capacity), and the need to strictly control the charge current and charge end-voltage.
Laminated zinc - manganese batteries
Several compact from the flat-shaped battery stack with a single. Every single cell by the plastic, zinc skin, conductive film and paper divide, carbon cake (cathode). Divide paper is a suction that the electrolyte layer of the surface starch slurry of paper, paste it in the skin of zinc above; divide carbon paper is above the pie. Divide paper-like paste, paste layer of dry batteries, zinc Paper isolation from the anode and cathode the role of carbon cake. Laminated zinc - minus the manganese dry batteries Cylindrical batteries in series-paste composition of trouble, its compact, small size, volume ratio of large capacity, but shorter storage life and the resistance of larger and therefore should not be too large discharge current.
Alkaline batteries
And the lead-acid batteries with the capacity compared to its small size, long life, to the current discharge, but the high cost. Alkaline battery materials into the plate of iron-nickel, nickel-cadmium, silver zinc batteries, and other series. Nickel-cadmium batteries as an example, alkaline batteries is the working principle: battery plates of the active substance in the charge, the cathode plate for nickel hydroxide [Ni (OH) 3], anode plate for the metal cadmium (Cd); and discharge Terminated, positive change for the plate-nickel hydroxide [Ni (OH2)], to change negative plates cadmium hydroxide [Cd (OH) 2], Electrolyte more choice of potassium hydroxide (KOH) solution.
Metal - air battery
To the oxygen in the air as a cathode active material, metal as a negative activity of a high-energy battery material. The metal is generally the use of magnesium, aluminum, zinc, cadmium, iron, etc.; electrolyte for the solution. zinc-air battery which has become a mature product.
Metal - air battery has a high ratio of energy, it is because air is not included in the weight of the batteries. zinc-air battery of energy than is now the highest in the production of batteries, has reached 400 kilowatt hours / kg (Wh / kg), is a high-performance batteries in power, and high-power battery positive direction. The current production of the metal - air battery is a battery; Development of secondary metal - air batteries for the replacement of metal electrodes used mechanical rechargeable battery. As metal - air battery work to continue to supply the air, so it can not be sealed in the state or the lack of air environment. In addition, the battery in the electrolyte solution vulnerable to the impact of air humidity battery performance decreased oxygen in the air through the air will spread to metal electrodes and electrode, the formation of corrosion from the battery self-discharge.
- Laptop Batteries
- Sony laptop Battery
- Sony Vgp-bps20 Battery
- Sony Vgp-bps9/S Battery
- Sony Vgp-bps13b/S Battery
Related Laptop Accessories
Battery and environmental protection
Battery and environmental protection
Used batteries of potential contamination has caused widespread concern in the community. China is the world's top battery production and consumption power, Data show that China currently has more than 1,400 battery manufacturers, 1980 battery production has surpassed the United States and ranks first in the world. In 1998 the production of dry batteries in China reached 14 billion, while the same year the world's total output of batteries about 30 billion.
Such a large number of batteries, makes a great problem exposed, that is, how many batteries do not damage the environment pollution to our survival. According to our survey, used batteries contain heavy metals and a lot of waste acid, waste alkali and other electrolyte solution. If discarded at will, corruption of the battery will undermine our water resources, erosion for the survival of our crops and land, our living environment facing a huge threat. If a battery in the 1st Lane rot, toxic substances make it one square meters of land lost value; throwing a button batteries into the water, which contained toxic substances will result in 600,000 liters of water pollution. Equivalent to a person's life water consumption; spent batteries containing cadmium, lead, mercury, nickel, zinc, manganese, etc., cadmium, lead, mercury on the human body against the larger material. And nickel, zinc and other metal Although a certain concentration of useful material, but in the environment over the limit, but will also jeopardize the human body. Battery leakage of heavy metal waste will cause Jiang, river, lake, sea and other water pollution and endanger the survival of aquatic organisms and the use of water resources, indirect threat to human health. Waste acid, waste alkali and other electrolyte solution may be contaminated land, the land acidification and salinization, which Tongmai such as the one around us time bomb. Therefore, the waste collection and disposal of the batteries is very important, if disposed of improperly, may be on the ecological environment and human health caused serious harm. Arbitrarily discarded used batteries not only pollute the environment, is also a waste of resources. It was just an account of the annual production to 10 billion batteries, the annual consumption of 156,000 tons of zinc, 226,000 tons of manganese dioxide and 2,080 tons of copper, 27,000 tons of zinc chloride, 79,000 tons of ammonium chloride, 4.3 Million tons of carbon rod. While advanced technology has given us the right point, my battery pollution is still not optimistic. At present, China's most used batteries were also mixed with garbage buried underground, the passage of time, after the battery into decay, dissolution of heavy metals, both of possible contamination of groundwater and soil contamination may eventually through various channels to enter the food chain. From the biological environment in the intake of heavy metals through the food chain of amplification, the more senior level by level of enrichment in the tens of thousands of times, and then enter the food chain through the human body, in some organs in savings of chronic poisoning, Japan Minamata disease is a typical case of mercury poisoning.
Generally fall into one cell batteries and rechargeable batteries. The main battery, including one-time zinc-manganese batteries (zinc and manganese dioxide), zinc mercury batteries (zinc and Yang Huagong) and lithium batteries, and other categories. The main include cadmium rechargeable batteries - nickel, iron - nickel, zinc - silver, zinc - air and lithium - iron sulfide and lead-acid batteries, and so on. Used in our daily lives is the largest zinc-manganese batteries and mercury zinc batteries due to pollution caused by the main battery is mercury (Hg) and cadmium (Cd).
The toxicity of mercury
Mercury that we commonly known as the "Mercury", is a liquid at room temperature for the material, you can block cell cathode metal zinc oxide, the practice of raising battery storage life. Thus, as early as in the past used the zinc batteries do extremely overcast almost all do a certain amount of mercury preservatives. However, mercury and mercury compound has the nerve toxicity, endocrine system, the immune system, also have an adverse impact, it will trigger the Kouchibuqing, unsteady gait, limb weakness, resulting in systemic cramps, mental disorders die.
For a long time, production of dry batteries in China, to join a toxic substances - mercury or mercury compounds. China's alkaline batteries of the mercury content of 1 percent to 5 percent, to 0.025 percent neutral batteries, the batteries used in the production of each of the dozens of tons of mercury on the number. With the advancement of technology, a low battery began gradually mercury and mercury-free, mercury substitutes surfactant Forafac fluorinated polymers, in zinc to prevent corrosion, have achieved good results.
The toxic cadmium
Cadmium is not necessary for the body of trace elements in newborn babies and no cadmium, but the increase with age, gradually built up. Cadmium is renal toxicity, renal damage caused by it is not reversible. At the same time kidney injury may also be secondary to osteoporosis, Ruan Guzheng and fractures. In 1993, the International Union Against Cancer will be set for the IA-level cadmium carcinogens. For these reasons, many developed countries have proposed ban on the use of nickel-cadmium batteries and nickel-hydrogen battery has been replaced by nickel-cadmium batteries, to avoid the use of cadmium. The vast majority of China's battery manufacturers are still used as cadmium battery production of raw materials, makes battery against further intensify.
Waste battery recycling
Waste batteries may be small, endangering Queshen large. However, because of scrap batteries do not like garbage pollution, air and water pollution that can be felt by the senses, and it is very subtle, and therefore did not receive the attention they deserve. Currently, the country to become a battery production and consumption of power, waste battery pollution is an urgent need to address a major environmental problems.
According to environmental experts, the waste battery recycling in every 1,000 grams of metal, including the 82 grams of mercury, cadmium 88 grams, can say that the disposal of waste battery recycling not only deal with the sources of pollution, but also achieved a recycling and reuse of resources. Foreign developed countries to waste battery recycling and use of attached great importance. Many Western European countries, not only in shops, but also directly on the street are equipped with special callback, scrap batteries in 95 percent of the material can be recovered, particularly high value of heavy metal recovery. Secondary Lead such as foreign trade developed rapidly and lead production of the existing 55 per cent are from the Secondary Lead. And Secondary Lead industry, waste lead-acid batteries of renewable occupy a large proportion of treatment. 100 kg waste lead-acid batteries can be recycled 50 to 60 kilograms of lead. For the cadmium content of scrap batteries renewable processing, has been abroad more mature technology, processing 100 kilograms of cadmium batteries recyclable waste about 20 kilograms of metal cadmium, mercury-containing batteries are mainly used environmentally sound processing means to prevent the pollution of the environment . And our current management in this area is weak.
Used batteries of potential contamination has caused widespread concern in the community. China is the world's top battery production and consumption power, Data show that China currently has more than 1,400 battery manufacturers, 1980 battery production has surpassed the United States and ranks first in the world. In 1998 the production of dry batteries in China reached 14 billion, while the same year the world's total output of batteries about 30 billion.
Such a large number of batteries, makes a great problem exposed, that is, how many batteries do not damage the environment pollution to our survival. According to our survey, used batteries contain heavy metals and a lot of waste acid, waste alkali and other electrolyte solution. If discarded at will, corruption of the battery will undermine our water resources, erosion for the survival of our crops and land, our living environment facing a huge threat. If a battery in the 1st Lane rot, toxic substances make it one square meters of land lost value; throwing a button batteries into the water, which contained toxic substances will result in 600,000 liters of water pollution. Equivalent to a person's life water consumption; spent batteries containing cadmium, lead, mercury, nickel, zinc, manganese, etc., cadmium, lead, mercury on the human body against the larger material. And nickel, zinc and other metal Although a certain concentration of useful material, but in the environment over the limit, but will also jeopardize the human body. Battery leakage of heavy metal waste will cause Jiang, river, lake, sea and other water pollution and endanger the survival of aquatic organisms and the use of water resources, indirect threat to human health. Waste acid, waste alkali and other electrolyte solution may be contaminated land, the land acidification and salinization, which Tongmai such as the one around us time bomb. Therefore, the waste collection and disposal of the batteries is very important, if disposed of improperly, may be on the ecological environment and human health caused serious harm. Arbitrarily discarded used batteries not only pollute the environment, is also a waste of resources. It was just an account of the annual production to 10 billion batteries, the annual consumption of 156,000 tons of zinc, 226,000 tons of manganese dioxide and 2,080 tons of copper, 27,000 tons of zinc chloride, 79,000 tons of ammonium chloride, 4.3 Million tons of carbon rod. While advanced technology has given us the right point, my battery pollution is still not optimistic. At present, China's most used batteries were also mixed with garbage buried underground, the passage of time, after the battery into decay, dissolution of heavy metals, both of possible contamination of groundwater and soil contamination may eventually through various channels to enter the food chain. From the biological environment in the intake of heavy metals through the food chain of amplification, the more senior level by level of enrichment in the tens of thousands of times, and then enter the food chain through the human body, in some organs in savings of chronic poisoning, Japan Minamata disease is a typical case of mercury poisoning.
Generally fall into one cell batteries and rechargeable batteries. The main battery, including one-time zinc-manganese batteries (zinc and manganese dioxide), zinc mercury batteries (zinc and Yang Huagong) and lithium batteries, and other categories. The main include cadmium rechargeable batteries - nickel, iron - nickel, zinc - silver, zinc - air and lithium - iron sulfide and lead-acid batteries, and so on. Used in our daily lives is the largest zinc-manganese batteries and mercury zinc batteries due to pollution caused by the main battery is mercury (Hg) and cadmium (Cd).
The toxicity of mercury
Mercury that we commonly known as the "Mercury", is a liquid at room temperature for the material, you can block cell cathode metal zinc oxide, the practice of raising battery storage life. Thus, as early as in the past used the zinc batteries do extremely overcast almost all do a certain amount of mercury preservatives. However, mercury and mercury compound has the nerve toxicity, endocrine system, the immune system, also have an adverse impact, it will trigger the Kouchibuqing, unsteady gait, limb weakness, resulting in systemic cramps, mental disorders die.
For a long time, production of dry batteries in China, to join a toxic substances - mercury or mercury compounds. China's alkaline batteries of the mercury content of 1 percent to 5 percent, to 0.025 percent neutral batteries, the batteries used in the production of each of the dozens of tons of mercury on the number. With the advancement of technology, a low battery began gradually mercury and mercury-free, mercury substitutes surfactant Forafac fluorinated polymers, in zinc to prevent corrosion, have achieved good results.
The toxic cadmium
Cadmium is not necessary for the body of trace elements in newborn babies and no cadmium, but the increase with age, gradually built up. Cadmium is renal toxicity, renal damage caused by it is not reversible. At the same time kidney injury may also be secondary to osteoporosis, Ruan Guzheng and fractures. In 1993, the International Union Against Cancer will be set for the IA-level cadmium carcinogens. For these reasons, many developed countries have proposed ban on the use of nickel-cadmium batteries and nickel-hydrogen battery has been replaced by nickel-cadmium batteries, to avoid the use of cadmium. The vast majority of China's battery manufacturers are still used as cadmium battery production of raw materials, makes battery against further intensify.
Waste battery recycling
Waste batteries may be small, endangering Queshen large. However, because of scrap batteries do not like garbage pollution, air and water pollution that can be felt by the senses, and it is very subtle, and therefore did not receive the attention they deserve. Currently, the country to become a battery production and consumption of power, waste battery pollution is an urgent need to address a major environmental problems.
According to environmental experts, the waste battery recycling in every 1,000 grams of metal, including the 82 grams of mercury, cadmium 88 grams, can say that the disposal of waste battery recycling not only deal with the sources of pollution, but also achieved a recycling and reuse of resources. Foreign developed countries to waste battery recycling and use of attached great importance. Many Western European countries, not only in shops, but also directly on the street are equipped with special callback, scrap batteries in 95 percent of the material can be recovered, particularly high value of heavy metal recovery. Secondary Lead such as foreign trade developed rapidly and lead production of the existing 55 per cent are from the Secondary Lead. And Secondary Lead industry, waste lead-acid batteries of renewable occupy a large proportion of treatment. 100 kg waste lead-acid batteries can be recycled 50 to 60 kilograms of lead. For the cadmium content of scrap batteries renewable processing, has been abroad more mature technology, processing 100 kilograms of cadmium batteries recyclable waste about 20 kilograms of metal cadmium, mercury-containing batteries are mainly used environmentally sound processing means to prevent the pollution of the environment . And our current management in this area is weak.
Thursday, April 17, 2008
batteries claasification
Battery - Battery shape according to the classification of distinction
General cylindrical cases: on the 1st / 2 / 5 / 7, applies to electronic goods.
Button-Example: mercury batteries, apply to electronic watches, and hearing aids.
Square cases: 9 V battery, applicable to wireless microphones, toys and so on.
Flake-shaped cases: solar panels, and applied to computers, outdoor buildings.
According to frequency of use distinction
A battery: disposable lost, unable to repeat users, such as: carbon-zinc batteries, alkaline batteries, mercury batteries, lithium batteries.
Secondary Batteries: Rechargeable repeat users, such as: nickel-cadmium rechargeable batteries, nickel-metal hydride rechargeable batteries, lithium rechargeable batteries, lead-acid batteries, solar cells.
According to distinguish between use
Industrial cases: built-in products for use in factories, are composed of a specific shape or tablets, such as: electrical tools, communications with batteries.
Consumptive use cases: general consumer use, it can be replaced in the market to purchase, for the most use of the cylindrical convex head battery.
General cylindrical cases: on the 1st / 2 / 5 / 7, applies to electronic goods.
Button-Example: mercury batteries, apply to electronic watches, and hearing aids.
Square cases: 9 V battery, applicable to wireless microphones, toys and so on.
Flake-shaped cases: solar panels, and applied to computers, outdoor buildings.
According to frequency of use distinction
A battery: disposable lost, unable to repeat users, such as: carbon-zinc batteries, alkaline batteries, mercury batteries, lithium batteries.
Secondary Batteries: Rechargeable repeat users, such as: nickel-cadmium rechargeable batteries, nickel-metal hydride rechargeable batteries, lithium rechargeable batteries, lead-acid batteries, solar cells.
According to distinguish between use
Industrial cases: built-in products for use in factories, are composed of a specific shape or tablets, such as: electrical tools, communications with batteries.
Consumptive use cases: general consumer use, it can be replaced in the market to purchase, for the most use of the cylindrical convex head battery.
Wednesday, April 16, 2008
Battery common standard
Battery - Battery common standard IEC standard that the International Electrotechnical Commission (International Electrical Commission), by national Electrotechnical Commission is composed of the world Organization for Standardization, its purpose is to promote world standardization of electrical and electronic fields. One on the nickel-cadmium battery standard IEC285, on the nickel-metal hydride battery is the standard IEC61436, the current lithium-ion batteries IEC standards, the general battery industry is based on SANYO or Panasonic standards.
IEC standard batteries commonly used nickel-cadmium battery standards IEC602851999; the standard nickel-metal hydride batteries for IEC614361998.1; standard lithium batteries for IEC619602000.11.
Battery common national standards nickel-cadmium battery standards GB/T11013_1996GB/T18289_2000; the standard nickel-metal hydride batteries for GB/T15100_1994GB/T18288_2000; standard lithium batteries for GB/T10077_1998YD/T998_1999, GB/T18287_2000.
Another commonly used standard battery also the Japanese Industrial Standards JIS C batteries on the standards and SANYOPANASONIC companies on the battery corporate standards.
IEC standard batteries commonly used nickel-cadmium battery standards IEC602851999; the standard nickel-metal hydride batteries for IEC614361998.1; standard lithium batteries for IEC619602000.11.
Battery common national standards nickel-cadmium battery standards GB/T11013_1996GB/T18289_2000; the standard nickel-metal hydride batteries for GB/T15100_1994GB/T18288_2000; standard lithium batteries for GB/T10077_1998YD/T998_1999, GB/T18287_2000.
Another commonly used standard battery also the Japanese Industrial Standards JIS C batteries on the standards and SANYOPANASONIC companies on the battery corporate standards.
- Laptop Batteries
- Dell laptop Battery
- Dell Inspiron 1521 Battery
- Dell Vostro 1015 Battery
- Dell PRECISION M65 Battery
Other Electronics News
Monday, April 14, 2008
about battery
About Battery
Is a battery energy conversion and storage devices. It will be the reaction to the physical or chemical energy into electricity. That is a chemical battery power, which has two different components of the electrochemical activity of each component is anode electrode, the two electrodes can provide immersion in the role of the media conductive electrolyte, when connected to a external vector, through its internal conversion The chemical can be provided. As an electrical storage device, when two metal (usually the difference in the nature of the metals) immersed in the electrolyte, they can be conductive, and in the "plate" between certain electromotive force. Electromotive force size (or voltage) and the use of the metal, its different types of batteries are also different electromotive force.
Battery performance parameters main electromotive force, capacity, energy and resistance ratio. Electromotive force equivalent units positive charge from negative moved to the cathode through internal battery, battery-Static Electricity (of the chemical) by the gong. Electromotive force depends on the electrode materials for the chemical nature, unrelated to the size of the battery. Battery charge to the total output of the battery capacity, usually for amp-hour unit. In response batteries, one kg produced by the reactive substances known as battery power than the theoretical energy. Battery than the actual energy than theoretical specific energy small. Because of the reaction in the battery not all reaction by battery, battery internal resistance to drop from electromotive force, it often than high-energy battery called high-energy batteries. The greater the battery area, the smaller the resistance.
Limited battery energy storage battery charge to the total volume of output is called its capacity, usually for amp-hour unit, it is also a battery performance parameters. Battery capacity and the number of the electrode material, which is the size of the electrode.
Practical notebook batteries can be divided into two basic types: primary cells and batteries. Can be made after the original battery currents, but in the end shall discharge waste. Battery is also known as secondary batteries, the use of a former first rechargeable battery, charging after discharge use, discharge can be recharged after use. Rechargeable batteries, chemical energy into electric energy; discharge, chemical energy into electrical energy.
Is a battery energy conversion and storage devices. It will be the reaction to the physical or chemical energy into electricity. That is a chemical battery power, which has two different components of the electrochemical activity of each component is anode electrode, the two electrodes can provide immersion in the role of the media conductive electrolyte, when connected to a external vector, through its internal conversion The chemical can be provided. As an electrical storage device, when two metal (usually the difference in the nature of the metals) immersed in the electrolyte, they can be conductive, and in the "plate" between certain electromotive force. Electromotive force size (or voltage) and the use of the metal, its different types of batteries are also different electromotive force.
Battery performance parameters main electromotive force, capacity, energy and resistance ratio. Electromotive force equivalent units positive charge from negative moved to the cathode through internal battery, battery-Static Electricity (of the chemical) by the gong. Electromotive force depends on the electrode materials for the chemical nature, unrelated to the size of the battery. Battery charge to the total output of the battery capacity, usually for amp-hour unit. In response batteries, one kg produced by the reactive substances known as battery power than the theoretical energy. Battery than the actual energy than theoretical specific energy small. Because of the reaction in the battery not all reaction by battery, battery internal resistance to drop from electromotive force, it often than high-energy battery called high-energy batteries. The greater the battery area, the smaller the resistance.
Limited battery energy storage battery charge to the total volume of output is called its capacity, usually for amp-hour unit, it is also a battery performance parameters. Battery capacity and the number of the electrode material, which is the size of the electrode.
Practical notebook batteries can be divided into two basic types: primary cells and batteries. Can be made after the original battery currents, but in the end shall discharge waste. Battery is also known as secondary batteries, the use of a former first rechargeable battery, charging after discharge use, discharge can be recharged after use. Rechargeable batteries, chemical energy into electric energy; discharge, chemical energy into electrical energy.
- Laptop Batteries
- Dell laptop Battery
- Dell Precision m50 Battery
- Dell Latitude d830 Battery
- Dell INSPIRON 710M Battery
Other Electronics News
Tuesday, March 4, 2008
When was the first battery invented?
When was the first battery invented?
The invention of the storage battery is credited to the Italian Alessandro Volta (from whom comes the term 'volt' and its derivatives). He developed the zinc-copper storage battery or 'pile', as it is still called by some, in 1800.
This invention followed on research begun in the 1780s by Luigi Galvani (from whom comes the term 'galvanic'), who experimented on the electrical stimulation of muscles. Galvani had found that two different metals could be used to stimulate muscles in the same manner as the direct application of electricity, which could be produced using an electrostatic machine and stored in a Leyden jar.
It was a difference of opinion between Galvani and Volta about the source of electricity that led to the development of the battery. Galvani believed that electricity was generated naturally within body tissue (animal electricity), while Volta believed it was produced through a chemical reaction between different metals. Volta was correct and created the first working battery to prove it.
- Laptop Batteries
- Dell laptop Battery
- Dell Inspiron 9400 Battery
- Dell Vostro 1014 Battery
- Dell XPS M1210 Battery
Other Electronics News
Friday, February 29, 2008
How Does Battery Work?
How Does Battery Work?
Batteries work by converting the chemical energy stored in them into electricity. Batteries normally comprise of electrochemical devices like more than one galvanic cells, fuel cells or flow cells. The earliest form or the closest thing to the batteries was known as the Baghdad Batteries which were there around between 250 BC and 640 AD.
The development of modern batteries was started post 1800s with the research and development of “voltaic pile” made by Italian physicist Alessandro Volta. There is some amount of proof and evidence that between 250 BC and 640 AD Baghdad batteries were used as galvanic cells.
In the year 1748, Benjamin Franklin started research on electricity and used the term battery to describe devices that had charged energy stored in them. The modern battery industry generates annual revenue of US Forty eight billion dollars.
Batteries work by converting the chemical energy stored in them into electricity. Batteries normally comprise of electrochemical devices like more than one galvanic cells, fuel cells or flow cells. The earliest form or the closest thing to the batteries was known as the Baghdad Batteries which were there around between 250 BC and 640 AD.
The development of modern batteries was started post 1800s with the research and development of “voltaic pile” made by Italian physicist Alessandro Volta. There is some amount of proof and evidence that between 250 BC and 640 AD Baghdad batteries were used as galvanic cells.
- Laptop Batteries
- Acer laptop Battery
- Acer um08a31 Battery
- Acer Aspire 5580 Battery
- Acer um08a71 Battery
Other Electronics News
In the year 1748, Benjamin Franklin started research on electricity and used the term battery to describe devices that had charged energy stored in them. The modern battery industry generates annual revenue of US Forty eight billion dollars.
Tuesday, February 26, 2008
How does a battery recharge?
How does a battery recharge?
A battery produces electricity through a chemical reaction. In some case this chemical reaction can be force backwards by the application of and electrical current in opposition to the one generated by the batter. Thus the battery can be recharged. However, this only works in batteries that are specifically designed to be rechargeable. If you try this with a battery that is not rechargeable, then excess heat can build up in the battery causing it to explode.
**************
gabstar wrote, "how does the chemical reaction occur? "
It's going on two decades since my last chemistry class. So, I am a little rusty on the particulars of the chemical reactions. However, just what happens will depend on the chemical used to make the batters. There are some commonalities though. As the reaction proceeds, electrons are released from one of the chemicals and into an electrode. These electrons can then be used to power an electrical device. Once the electrons have passed through the device they go back into the battery at a second electrode.
When the electrons are released by the one chemical in the battery, then that atom or compound becomes an ion. At the same time that the electrons are traveling through the wires of the device, the ions are also traveling through the battery toward the second electrode. At this second electrode, the ions and electrons meet up again and the process is complete.
See more battery about laptop click here
A battery produces electricity through a chemical reaction. In some case this chemical reaction can be force backwards by the application of and electrical current in opposition to the one generated by the batter. Thus the battery can be recharged. However, this only works in batteries that are specifically designed to be rechargeable. If you try this with a battery that is not rechargeable, then excess heat can build up in the battery causing it to explode.
**************
gabstar wrote, "how does the chemical reaction occur? "
It's going on two decades since my last chemistry class. So, I am a little rusty on the particulars of the chemical reactions. However, just what happens will depend on the chemical used to make the batters. There are some commonalities though. As the reaction proceeds, electrons are released from one of the chemicals and into an electrode. These electrons can then be used to power an electrical device. Once the electrons have passed through the device they go back into the battery at a second electrode.
When the electrons are released by the one chemical in the battery, then that atom or compound becomes an ion. At the same time that the electrons are traveling through the wires of the device, the ions are also traveling through the battery toward the second electrode. At this second electrode, the ions and electrons meet up again and the process is complete.
See more battery about laptop click here
Tuesday, July 31, 2007
HP pavilion zv5000z laptop battery
- Laptop Batteries
- HP Envy 15t-1000 Battery
- Hp laptop Battery
- HP hdx18t Battery
- HP Pavilion dm3 Battery
Other Electronics News
| m Number: | ELCQ022DO1 |  | ||
| Chemistry: | Li-ion | |||
| Volt: | 14.80V | |||
| Capacity: | 4400mAh | |||
| Dimension: | 150.80 x 114.40 x 19.30 mm | |||
| Net Weight: |
| |||
| Color: | Dark Grey | |||
| Lithium Ion laptop battery for HP pavilion zv5000z notebook battery compatible with P/N: COMPAQ 346970-001 | ||||
| Note:HP pavilion zv5000z laptop batteries brand new. Best replacement for the original PAVILION ZV5000Z HP laptop battery.
Full 1 year warranty! 30 days money back! | ||||
* compaq pp2100 battery
* compaq pp2200 battery
* compaq presario dz358u battery
* compaq presario dz358ur battery
* compaq presario r3000 battery
* compaq presario r3000t battery
* compaq presario r3000z battery
* compaq presario r3004ap battery
* compaq presario r3004us battery
* compaq presario r3056rs battery
* compaq presario r3060us battery
* compaq presario r3070us battery
* compaq presario r3120us battery
* compaq presario r3140us battery
* compaq presario r3190us battery
* compaq presario r3200 battery
* compaq presario r3203us battery
* compaq presario r3204us battery
* compaq presario r3210us battery
* compaq presario r3240us battery
* compaq presario r3260us battery
* compaq presario r3300 battery
* compaq presario x6000 series battery
* hp pavilion nx9100 battery
* hp pavilion nx9115 battery
* hp pavilion zv5000z battery
* hp pavilion zv5040ea battery
* hp pavilion zv5101us battery
* hp pavilion zv5103us battery
* hp pavilion zv5120us battery
* hp pavilion zv5143ea battery
* hp pavilion zv6000 battery
* hp pavilion zx5070us battery
* hp pavilion zx5100 battery
* hp pavilion zx5200 battery
Friday, July 27, 2007
Lithium ion polymer battery
Lithium-ion polymer batteries, or more commonly lithium polymer batteries (abbreviated Li-poly or LiPo) are rechargeable batteries which have technologically evolved from lithium-ion batteries. Ultimately, the lithium-salt electrolyte is not held in an organic solvent as in the lithium-ion design, but in a solid polymer composite such as polyacrylonitrile. The advantages of LiPo over the lithium-ion design include lower cost manufacturing and being more robust to physical damage. Lithium-ion polymer batteries started appearing in consumer electronics around 1996.
Overview
Cells sold today as polymer batteries have a different design from the older lithium-ion cells. Unlike lithium-ion cylindrical, or prismatic cells, which have a rigid metal case, polymer cells have a flexible, foil-type (polymer laminate) case, but they still contain organic solvent. The main difference between commercial polymer and lithium-ion cells is that in the latter the rigid case presses the electrodes and the separator onto each other, whereas in polymer cells this external pressure is not required because the electrode sheets and the separator sheets are laminated onto each other.
Since no metal battery cell casing is needed, the battery can be lighter and it can be specifically shaped to fit the device it will power. Because of the denser packaging without intercell spacing between cylindrical cells and the lack of metal casing, the energy density of Li-poly batteries is over 20% higher than that of a classical Li-ion battery and approximately three times better than NiCd and NiMH batteries.
The voltage of a Li-poly cell varies from about 2.7 V (discharged) to about 4.23 V (fully charged), and Li-poly cells have to be protected from overcharge by limiting the applied voltage to no more than 4.235 V per cell used in a series combination. Overcharging a Li-poly battery will likely result in explosion and/or fire. During discharge on load, the load has to be removed as soon as the voltage drops below approximately 3.0 V per cell (used in a series combination), or else the battery will subsequently no longer accept a full charge and may experience problems holding voltage under load.
Early in its development, lithium polymer technology had problems with internal resistance. Other challenges include longer charge times and slower maximum discharge rates compared to more mature technologies. Li-Po batteries typically require more than an hour for a full charge. Recent design improvements have increased maximum discharge currents from two times to 15 or even 30 times the cell capacity (discharge rate in amps, cell capacity in amp-hours). In March 2005 Toshiba announced a new design offering a much faster (about 1-3 minutes) rate of charge. These cells have yet to reach the market but should have a dramatic effect on the power tool and electric vehicle industries, and a major effect on consumer electronics; especially electrically powered model aircraft.
When compared to the lithium-ion battery, Li-poly has a greater life cycle degradation rate. However, in recent years, manufacturers have been declaring upwards of 500 charge-discharge cycles before the capacity drops to 80% (see Sanyo). Another variant of Li-poly cells, the "thin film rechargeable lithium battery", has been shown to provide more than 10,000 cycles.
Applications
A rechargeable lithium polymer Sony laptop battery.
A compelling advantage of Li-poly cells is that manufacturers can shape the battery almost however they please, which can be important to mobile phone manufacturers constantly working on smaller, thinner, and lighter phones. Another advantage of lithium polymer cells over nickel cadmium and nickel metal hydride cells is that the rate of self-discharge is much lower.
Li-poly batteries are also gaining favor in the world of radio-controlled aircraft, where the advantages of both lower weight and greatly increased run times can be sufficient justification for the price. However, lithium polymer-specific chargers are required to avoid fire and explosion. Explosions can also occur if the battery is short-circuited, as tremendous current passes through the cell in an instant. Radio-control enthusiasts take special precautions to ensure their battery leads are properly connected and insulated. Specially designed electronic motor speed controls are used to prevent excessive discharge and subsequent battery damage. This is achieved using a low voltage cutoff (LVC) setting that is adjusted to maintain cell voltage at (typically) 3 V per cell.
Li-poly batteries are also gaining ground in PDAs (including iPhone) and laptop computers, such as Apple's MacBook and Lenovo's Thinkpad (Ultrabay Batteries), Dell (D-bay Batteries) and small digital music devices such as iPods and other MP3 players, as well as portable gaming devices like the Sony PSP or Nintendo's Game Boy Advance SP, where small form factors and energy density outweigh cost considerations.
These batteries may also power the next generation of battery electric vehicles. The cost of an electric car of this type is prohibitive, but proponents argue that with increased production, the cost of Li-poly batteries will go down.
Canadian company BionX supplied electric bicycle conversion kits that used brushless motors and nickel metal Hydride batteries for some years, but in 2006, they introduced batteries that used lithium-ion technology. During 2007 Urban Mover and PowaCycle, both in the UK, introduced the first commercially available Li-poly powered electric bikes, as opposed to just supplying conversion kits.
Overview
Cells sold today as polymer batteries have a different design from the older lithium-ion cells. Unlike lithium-ion cylindrical, or prismatic cells, which have a rigid metal case, polymer cells have a flexible, foil-type (polymer laminate) case, but they still contain organic solvent. The main difference between commercial polymer and lithium-ion cells is that in the latter the rigid case presses the electrodes and the separator onto each other, whereas in polymer cells this external pressure is not required because the electrode sheets and the separator sheets are laminated onto each other.
Since no metal battery cell casing is needed, the battery can be lighter and it can be specifically shaped to fit the device it will power. Because of the denser packaging without intercell spacing between cylindrical cells and the lack of metal casing, the energy density of Li-poly batteries is over 20% higher than that of a classical Li-ion battery and approximately three times better than NiCd and NiMH batteries.
The voltage of a Li-poly cell varies from about 2.7 V (discharged) to about 4.23 V (fully charged), and Li-poly cells have to be protected from overcharge by limiting the applied voltage to no more than 4.235 V per cell used in a series combination. Overcharging a Li-poly battery will likely result in explosion and/or fire. During discharge on load, the load has to be removed as soon as the voltage drops below approximately 3.0 V per cell (used in a series combination), or else the battery will subsequently no longer accept a full charge and may experience problems holding voltage under load.
Early in its development, lithium polymer technology had problems with internal resistance. Other challenges include longer charge times and slower maximum discharge rates compared to more mature technologies. Li-Po batteries typically require more than an hour for a full charge. Recent design improvements have increased maximum discharge currents from two times to 15 or even 30 times the cell capacity (discharge rate in amps, cell capacity in amp-hours). In March 2005 Toshiba announced a new design offering a much faster (about 1-3 minutes) rate of charge. These cells have yet to reach the market but should have a dramatic effect on the power tool and electric vehicle industries, and a major effect on consumer electronics; especially electrically powered model aircraft.
When compared to the lithium-ion battery, Li-poly has a greater life cycle degradation rate. However, in recent years, manufacturers have been declaring upwards of 500 charge-discharge cycles before the capacity drops to 80% (see Sanyo). Another variant of Li-poly cells, the "thin film rechargeable lithium battery", has been shown to provide more than 10,000 cycles.
Applications
A rechargeable lithium polymer Sony laptop battery.
A compelling advantage of Li-poly cells is that manufacturers can shape the battery almost however they please, which can be important to mobile phone manufacturers constantly working on smaller, thinner, and lighter phones. Another advantage of lithium polymer cells over nickel cadmium and nickel metal hydride cells is that the rate of self-discharge is much lower.
Li-poly batteries are also gaining favor in the world of radio-controlled aircraft, where the advantages of both lower weight and greatly increased run times can be sufficient justification for the price. However, lithium polymer-specific chargers are required to avoid fire and explosion. Explosions can also occur if the battery is short-circuited, as tremendous current passes through the cell in an instant. Radio-control enthusiasts take special precautions to ensure their battery leads are properly connected and insulated. Specially designed electronic motor speed controls are used to prevent excessive discharge and subsequent battery damage. This is achieved using a low voltage cutoff (LVC) setting that is adjusted to maintain cell voltage at (typically) 3 V per cell.
A rechargeable lithium polymer HP PDA battery.
Li-poly batteries are also gaining ground in PDAs (including iPhone) and laptop computers, such as Apple's MacBook and Lenovo's Thinkpad (Ultrabay Batteries), Dell (D-bay Batteries) and small digital music devices such as iPods and other MP3 players, as well as portable gaming devices like the Sony PSP or Nintendo's Game Boy Advance SP, where small form factors and energy density outweigh cost considerations.
These batteries may also power the next generation of battery electric vehicles. The cost of an electric car of this type is prohibitive, but proponents argue that with increased production, the cost of Li-poly batteries will go down.
Canadian company BionX supplied electric bicycle conversion kits that used brushless motors and nickel metal Hydride batteries for some years, but in 2006, they introduced batteries that used lithium-ion technology. During 2007 Urban Mover and PowaCycle, both in the UK, introduced the first commercially available Li-poly powered electric bikes, as opposed to just supplying conversion kits.
- Laptop Batteries
- HP Pavilion dv3-2000 Battery
- Hp laptop Battery
- HP g61 Battery
- Compaq Presario b1000 Battery
Other Electronics News
Subscribe to:
Posts (Atom)