Wednesday, April 30, 2008

Digital Camera Battery Tips

Conservation of battery are some tips that you always running out of battery just before taking the perfect photo with your digital camera? Here are some tips to conserve the batteries when they're outside "break away". 1) Turn off your digital camera when not in use. If you are in a situation where you must snap pictures quickly, this may not be applicable turning out as digital cameras and take a few seconds, and can cause you to miss a photo-making opportunities. However, if you're taking a walk and can afford a couple of seconds before snapping a still subject, by all means, keep your digital camera of energy! 2) Many digital cameras have a viewfinder and an LCD display. While the digital LCD display has its advantages, it can drain battery power. Shutdown where applicable and use regular viewfinder to take pictures. 3) Do not stop after taking every photo and see in the picture on his digital camera's playback mode. Of course, you need sometimes is seen in the photos immediately after shooting to ensure that its exposure is correct, the lighting is good, etc., but doing this makes use of your digital camera battery. 4) If you are using Microdrive media, be warned that these miniature hard drives may take up far more power than Compact Flash cards. Ensure that the new battery pack Normally, a new battery pack comes at a very low status and position must be fully charged before use. Consult your owner's manual for your portable electronic equipment for receiving instructions. A new battery pack needs to be fully loaded and unloaded or "cycle" as much as five times to them in condition to perform at maximum capacity. His team may report a fully charged in as short as 10 to 15 minutes when the new battery pack is charging for the first time. This is a normal phenomenon in particular nickel-cadmium (Ni-Cd) and nickel-metal hydride (Ni-MH) chemistry. When this happens, remove the battery and let it cool for about fifteen minutes and repeat the procedure of cargo. "Conditioning" (fully discharging and then full load) is needed to maintain the optimum performance of a battery, and is recommended at least once a month in particular for Ni-Cd and Ni-MH batteries. Failure to do so could result in a reduction in carrying capacity and can significantly shorten the battery packs useful life. Lithium ion batteries do not require conditioning. It is normal that a battery pack and load to be hot during use. However, if the battery is too hot here can be a problem with electronic equipment portable charging circuit and, therefore, must be verified by a qualified technician. Rechargeable batteries are subject to self-discharge when not in use for long periods of time. This is normal particularly in the case of Ni-MH and Li-ion chemistry. For best results, always store a fully charged battery pack. It should be removed from the team and kept in a cool, dry and clean. The amount of time for performing a battery pack produces depends on the energy needs of the components of its electronic equipment. Do not let minor charged batteries prevent it from taking great pictures. If it is rare to use its digital camera, you may think that after using his digital camera, notebook batteries, its recharge NiMH batteries, wait a few weeks or months, then use your digital camera once again that the batteries are charged and he was ready to snap photos, right? Go ... And it stuck with a non-functioning digital camera or one that just flashes a picture that shows a dead battery. Rechargeable batteries do not stay forever charged. They tend to lose a little of its power every day. If your batteries charged and often uses his digital camera, you will probably never notice this loss of power. However, after a couple of weeks, the power loss may be remarkable, and after a couple of months or more for non-use, which once ready to go batteries may have lost power sufficient to make them unusable . Do not fall into this trap. Always in charge batteries before each trip, and be sure to use a battery charger with a sensor that avoids excessive burden.

Monday, April 28, 2008

hp pavilion dv9700t

HP offers a range of customizable options when you order a laptop from its website. I started with the base model dv9700t, which cost a shade less than $ 1000, and my custom to just over $ 1400. There was a special coupon (which might still be available at all ... cheque NotebookReview) deducted $ 500 from any Pavilion notebook that cost $ 1400 ... so you can see the appeal. After-tax total was almost exactly $ 1,000. I think it was an excellent purchase, and so far I'm thrilled with the purchase.

Things I chose to improve or even not updated, and why:

Processor: This was a no-brainer, upgrading from an Intel T5550 (1.83 GHz) for the Intel T8100 (2.10GHz, 3 MB of L2 cache, 800MHz FSB) will cost about $ 125 extra, but it was well worth the penalty for the boost in performance (see bank results below).

Display: The display is a standard 17 "WXGA + High-Definition HP BrightView Widescreen Display (1440 x 900), which is probably fine for most customers. For an additional $ 125, I got to 17 "WXGA + Ultra BrightView. It is the same screen, but equipped with two backlights (instead of one), which provides higher brightness and color. The additional cost is, for me, which is justified because it is amazing clarity, even in direct-light (important because the screen is bright). The second lighting adds a half-pound to the weight of the computer. I'm not sure what effect it has on battery life, but I compensate for the extra energy use to an improvement in high-capacity battery. (HP also offers a higher resolution 1680 x 1050 screen, but had a greater use of Ultra Bright)

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Video Card: For $ 50 (HP offers a 50% discount), I have upgraded from an Nvidea GeForce 8400M GS with a Nvidea GeForce 8600M GS. To be perfectly honest, I am not sure that I never need the hp notebook batteries . Mainly I was influenced by another user reviews and recommendations, which encouraged improvements in the video card to extend the useful life of equipment. The 8600 offers 512 MB of dedicated memory (as opposed to 256 for 8400), and rock if I had opted for BluRay unit (I knew I could spend too much on BluRay discs, thus avoiding that option).

Wireless: For another $ 50, I upgraded to an Intel (R) PRO / Wireless Network Connection 4965A/G/N with Bluetooth. I recommend this option to anyone interested in ease of connection. My job se basa en una fast Internet connection, so it was an easy decision to improve and have the new networks of N available to me. Bluetooth is another life-saving. I immediately ordered a Bluetooth mouse (the tremendous Logitech V470) and a Bluetooth headset, which make my life easier every day.

Hard Drive: The 250 GB hard drive is more than sufficient for my needs. It has 5400RPM, which is fast but not lightning fast. There is a provision 240GB, 7200RPM unit, and other units can store up to 640GB. Once again, for my less intensive purposes 250/5400 population is entirely appropriate.

Outer shell: "Masthead Radiance" is beautifully finished, and comes standard. On a glossy finish (black on the outside, gray on the inside) is subtle but beautiful. It's more fun than seeing a typical matte finish, but also recklessly collects fingerprints. A soft cloth (or even a tee shirt) removes stains without risking the magnificent final.

Wednesday, April 23, 2008

Why is apple so popular?

Apple Computers are mainly used by creative professionals, artists, writers and editors, particularly the film industry, since the Mac was the first machine to offer electronic publishing and the first to arrive at desktop editing software film.

To begin with, Mac comes with one of the best operating systems around: Mac OS X. It 's basically Unix (a very ancient and stable operating system) with a whole load of multimedia material very screwed at the top - is much, much less susceptible to viruses and accidents Microsoft Windows, and lets you do things more quickly and easily.
Because the virus is safer and that programmes that are more protected from Windows that makes it more reliable, there is a lot of Die Hard users who will stay with Apple to the core if necessary. His loyalty se basa en la reliability of its software and hardware. The downside is that Apple is more expensive, but its users are willing to pay the extra money for an extra degree of reliability.

They are always one step ahead of everyone else when it comes to tot that technology (for example, the MacBook air) and are very good at publicity. I know that will never be able to fill a 60 GB iPod, but why still want whenever I see their ads. I know that Microsoft or Dell never do the same for me. And besides, their computers and iPods are drop dead gorgeous!

The Mac OS is the norm. Windows is much more expensive imitation. Apple and Microsoft is innovating constantly trying to catch up. I have two computers that I work on a regular basis. I have a Windows laptop that was given to me by my employer and I have a Power Mac G5 that I bought for myself. I just like more my Mac, it just works. (The advantage of having the operating system and computer made by the same company is that you can make sure everything is working properly together.) What to do to be error-free in my notebook last fall that I had to have people IT at work reinstalling windows. The only time I've done nothing remotely as well as my G5 when the operating system was upgraded to the latest version. (Obviously, this is not the same thing.) I love my Mac. If I may, let me get my employer to replace my laptop with a Mac Book.
good brand new apple laptop battery replacement at apple notebook batteries .

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.

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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.

Tuesday, April 22, 2008

Asus 701 Eee 4G notebook

The PC Asus 701 Eee 4G is the new ultraportable notebook affordability is linked to many consumers a list of Christmas presents this year. The retail of $ 399 or less, the Eee PC is not really work, but it will do virtually every task that you may need a laptop. Our first hands-on proved that it is actually more than we expected, but more detailed discussion below helps to explain exactly why we are so excited about a $ 400 notebook.

Buying a PC Asus EEE
Available from: for only $ 399.99
Best Buy for only $ 399.99 for only $ 408.99

First, specifications for the review unit we have on hand, which is the PC 701 Eee 4G:

Processor: Intel Celeron M 900 MHz ULV
Graphics: Intel GMA 900 integrated GPU
Storage: 4 gigabytes of storage based on Flash (SSD)
Memory: 512 MB RAM DDR2 (667MHz)
OS: Linux Xandros (Asus customized)
Display: 7-inch screen with resolution of 800 x 480
Ports: 3 USB 2.0, 1 VGA monitor, headphone jack, microphone input, SD card reader (SDHC compatible), Kensington lock slot, Ethernet 10/100
Webcam (0.3 MP)
EEE Pc Battery: 4-cell 5200 mAh Li-Ion 7.4V (valued at 3.5 hours)
Wireless: 802.11b / g Atheros
Admission: Keys and Touchpad
Weight: approximately 2 kg with battery, 2.5 lb travel weight with adapter.
Two-year warranty

Build and Design

The designers at Asus was not an easy task to create a notebook ultra attractive by making it cheaper to produce. The case seams reasonably combine with tight tolerances, plastics feel thick (but the pearl-like look cheap white plastic) and the display hinges are molded into the body with battery. Closure of the screen, you will find surprisingly little coverage keyboard surface and even smaller resting below the touchpad display and speakers recessed. In short, the quality of construction is quite high, despite the low cost.

The design of the PC Eee is something really unique. Weighing barely two pounds and provides a level of performance similar to a full budget computer, the only laptop which approximates "directly" compete with the PC is the Fujitsu LifeBook Eee U810… Tablet PC that sells for more $ 1000 at the time of this writing. The next closest competitor in the PC would Eee ultraportables traditional Toshiba Portege R500 (2000 $) and the Sony VAIO TZ ($ 3000).

It is true that the more expensive rivals come preloaded with Microsoft Windows XP or Vista and feature a range of technical features superior… but our review of the PC Eee Asus shows that little white titan packs an impressive punch.


The screen is 7 inches diagonally with LED backlighting and has a resolution of 800 x 480 pixels. For the sake of reference, below is what you can see when you pull up the homepage of the site you are about time:

Eee the PC might not have a glossy, high-contrast display, like most notebooks made in the past year, but the backlight bright, and even helps make for a pleasant reading experience. We even found the quality of color more than sufficient for viewing movies or videos You Tube.

Below is a screen that we made on the PC Asus Eee's homepage, it is a good example of what you will see Eee PC using the screen resolution and size:

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Operating system and software

Asus with Xandros team to develop a custom version of the Linux operating system for the new PC Eee. Microsoft Windows requires a large amount of storage space on the tiny 4GB SSD, and the additional costs of installing Windows authentic reportedly added to final sale price of the PC Eee. Despite the lack of Microsoft software Eee the PC is remarkably easy to use. Xandros developed a point-and-click user interface that looks and acts like Windows… but easier.

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.

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.

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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.

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Monday, April 7, 2008

Dell Latitude D820 Review

Dell Latitude D820 Review


Professional look at the Latitude D820, paired with workstation-class graphics card is sufficient reason to call Dell business laptops. While I agree that this will be an excellent tool for business, D820 can also be a great laptop for students looking for performance, ease of use and sometimes gambling. If equipped with Quadro NVS video card, it could be very useful for business applications, such as AutoCAD, but may also provide additional capacity for the user to pause a game. Big Table replacement for long battery life, but not a back breaker.

In Dell Latitude D820 is equipped with a standard 3-year warranty. Great for business, but again very useful for the students that a tight budget, which can not afford to spend more money on the way to remedy its training facilities. The only downturn in the price of this model is. This is where the business budget and tax returns to enter the game. If you are a student and your budget is limited, another model is probably the best choice for you.

I will try to consider this as a laptop can be more objective, but as with all professionals, and I may have a little biased here and there. My opinion may vary significantly from experienced reviewers notebook, as it is my first laptop, but I will do everything possible!

This is my configuration:

Intel Core 2 Duo T7200 (2GHz) 667Mhz Dual Core
True OS Windows XP Home Edition, SP2, with the media
15.4 inch wide screen WUXGA LCD panel
2.0 GB, DDR2 SDRAM-533, 2 DIMMS
512MB NVIDIA Quadro NVS 120M TurboCache (meaning 256MB and 256MB on board shared with Aries)
80GB Hard Drive, 9.5mm, 7200RPM
Dell Wireless 1390 802.11g Mini cards
9 cell primary battery
6 cell battery Media Bay
3 years of next business day on-site support
My computer in all its glory.

Not too many accessories here. OS installation CD, the drivers, Power Adapter and the media bay battery.

The reason Purchase

I was looking to purchase a notebook for quite some time. My search for the best laptop for my needs began about a year ago when I realized I could use the laptop to bring to class. In a full time employees and part-time student, a laptop may be useful for work, and to take note of when I university. Since my handwriting is very unfortunate, I realized that I would need this machine sooner rather than later. The first laptop, that my eyes have really been Acer Travelmate 8200. It has a powerful processor, great video cards and decent battery life. I was just ready to buy this model, when I realized I should spend my money on my upcoming wedding, and not the fact that I do not need at this time. Once again, my search shortly before the wedding, and heard from various channels that the new Core 2 Duo was only going to go on the laptops. In TM8200 has been fitted with the Core Duo, but not the Core 2 Duo, and at this point, I also began to adjust my claim. I began to wonder if it was all a great video card, which is important. It is gratifying to be able to play games on the go, but when I could do it in any case? I would like to be in the classroom or with a laptop. None of these situations conducive to a large gaming session. So instead of buying the machine, which will play in most modern games at decent skills, I went by car, which could remain unplugged as many hours as possible.

This is when I started looking at the Dell Latitude D820. I have read reports that she can take good 5 hours, with a 9-cell battery, and that you can also customize it with an additional media bay battery. I was sold! I thought that if you could get about 5 hours from the time unplugged from 9 cells, the additional 6 cells might add a couple of hours (at least) in this regard. I was hoping for at least 6 hours of battery life, as I will immediately take 3 hours and two university classes in January, and I do not want thoughts in a notebook dies in the middle of a lecture.

It is important to note that there are other opportunities for extra long battery life, such as a laptop, not on the video card is less than the screen, etc. All of these options may be attractive to other users, but since I Gamers for a heart, I need a machine that can be used at least a little bit on the side of gambling.

I also considered buying a laptop that would suggest 3 to 3.5 hours of battery life, and then buy an additional battery, but after reading about the long battery life, I resigned from that idea. I did not want to put my money on extra batteries, and they die within a few months, because I just eventually using only one most of the time and did not properly store the other. I also do not want to carry too many accessories with my laptop, and do not want to change a battery problem all the time.


Battery Eater Pro is used to determine approximately how long the battery will last. In theory, I have come to value is more than 7 hours, I did not want to test it out, writing notes for 7 hours straight. Not only would I get bored, but my wife would probably not like it either. Battery Eater Pro managed to eat for my 9 - battery and 6 - Gulf media cell battery power only 3:03. It was with WiFi on the screen with a maximum brightness of the optical mouse and plugged in. I disabled all power saving features, turned off the screen saver and let it do with the case. I was surprised only in 3 hours, but this figure is expected to be the absolute minimum of time, the battery will last.

In normal use, particularly on energy conservation and low brightness settings for maximum battery, battery life of my message is that I am still a little more than 7 hours of battery life. I think we will see if this is true, when I get to sit in a class for 6 hours in January. Before that, I can only assume that the battery Eater Pro really fed from the battery, there is no future. A minimum of 3 hours is pretty good in my books, especially since most laptops these days have a maximum of 3 hours.

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Sunday, April 6, 2008

dell inspiron 700m notebook

dell inspiron 700m notebook

The new Dell Inspiron 700 fungus destroys previous ultraportables, which include a wide screen and a lot of computing power. The new design pushes 700 m to 4 pounds-at the interface between ultraportable (typically 3 to 4 pounds), and core thin and light (4 to 5 pounds), but the bigger screen is worth the weight penalty. Alas, the trade-off that lifetime of the batteries on the screen may be required to give some pause road warriors.

In 700, which replaces the Inspiron 300 m, is a totally new design. Dell replaced the Inspiron line of gray and blue colors chassis with a more lustrous silver coating. But the biggest change is the screen: a 12.1 - inch wide screen LCD (1280 - for-800), compared with 300 metres in traditional 4:3 display. Brighter and higher, in contrast, the new screen makes working outdoors or watching DVD movies noticeably better. In addition, the new: an optical disk (a 8X DVD unit in our tested configuration), which is now built-in a host of other functions include SD slot, and a number of ports: two USB and one FireWire, one VGA and one S - Video.

In 17.5 - keyboard step mm (92 per cent of full size) is manageable, but the mouse button to generate a bit more noise than what we wanted. And you will not find any quick-start button or remove buttons to control playback DVD. Battery life (2 hours 17 minutes) was disappointing, which means that frequent travelers will have to tote the extended battery ($ 129), which should roughly double the runtime.

In the Pentium M 745 (1.8 GHz) delivered strong performance on Business Winstone (17,0), and the establishment of Multimedia (23,6) test suites. At 700 metres in 802.11g wireless scores were easy, but with-20, 1 Mbps bandwidth at close range and 4.2 Mbit / s at 160 feet. The Intel 82855 GME integrated fine for 2D graphics tasks, but not enough to run our 3D games tests.

Dell is going to limb among the major producers of a wide choice of the display screen in the classroom, and we love it. 3,2-pound IBM ThinkPad X40 ultraportable still our favorite, thanks to its large keyboard and excellent battery life. But if you want to get a wide screen display (and do not mind a bit more weight and a little less than perform for a fee), give the system a try.

Power of dell inspiron 700m

  • dell inspiron 700m Laptop Batteries
  • Chemistry: Li-ion
  • Volts: 14.80V
  • Capacity: 4400 mAh
  • Dimension: 272.10 x 34.60 x 25.20 mm
  • Net Weight: 218.50 g
  • Color: Black

Dell inspiron 700m Laptop Battery fit OEM Part/Number: dell 0w5915 , 312-0305 , 312-0306 , c7786 , d5561 , replacement for dell inspiron 700m notebook ..

This laptop is great - as long as you never to write anything, or use any program, audio conferences. This unit has a design flaw in microphone input jack, which makes the ground popping buzzing noise in all records. Against the background noise got, and far beyond the specifications in a laptop. Just do a google search for "audio-700" or "700 recalled," and you will see there is a growing number of disgruntled 700 owners. Buyers beware. Reserach it first!

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Friday, April 4, 2008

Dell Inspiron 8600 Review

Dell Inspiron 8600 Review

The beginning of the line, not upper part Weight Class
dell inspiron 8600 notebook
We are ready to work FutureMark 3DMark03 test - including all four games simulations, including DirectX 9 capabilities - and now we are seeing Codecreatures DirectX 8.1 works on the picturesque base in 1920 with the 1200 resolution 4X antialiasing enabled. This is not the fastest PC gaming performance we have ever seen, but we are looking at the 7.3 pound notebook.

In the Dell Inspiron 8600, introduced today is a direct supplier of the new desktop-replacement leader, and Dell offers several vendors a chance to showcase their latest and most Yes. In particular, he replaces the Pentium 4 - M processor found in seemingly identical Inspiron 8500 with Intel's power-saving 1.7GHz Pentium M, and offers in the Nvidia GeForce FX Go5650 AGP 4X graphics card with 128 MB of DDR RAM.

Add 512 MB of system memory DDR333, and the Hitachi 60GB Travelstar 7K60 hard disk with 8MB buffer, and 7200 rpm-speed, and Philips DVD + RW drive that can be replaced for a second battery or floppy drive, and you have one serious laptop.

(9/2/03 update: Although our early tests loaner is the production, rather than prototype block, a few readers who e-mail that Dell order pages list only on-4200. rpm hard drives for the Inspiron 8600, with 7200 rpm-Hitachi disk available. we contacted Dell, and reported 7K60 is new and not enough, but they can be ordered by phone, and that the Web site will be updated as supplies are becoming increasingly rich - Ed. )

And oh yes, in 1920, of resolution 1200, we mentioned. Here is a rating of the three options for Inspiron Given the wide-aspect ratio (16:10), 15.4 - inch-diagonal display; Dell calls the super-luxury screen UltraSharp WUXGA, with WSXGA + (1680 to 1050) and WXGA (1280 to 800 ) models are also available.

The wide format makes the Inspiron 8600 at the grave of the little things in the briefcase, but sensational letterboxed-DVD-look showpiece. This investment at $ 2820 (2570) 8600 a stellar example of a desktop replacement that in a pound or two lighter and better battery life than most of their competitors.

It is easier than it looks
In Inspiron measures 10.8 to 14.1 at 1.5 inches, which certainly cumbersome, but its 7.3 pound more comfortable in your lap than many of the 9 - plus-pound leviathans now call themselves lap. (The AC adapter little pieces of 1.1 pounds.)

Beautiful blue accents surround the silver-grey system, keyboard, which is both a pen and IBM ThinkPad-style keyboard with the mouse stick alternatives. Both work smoothly, even though the two mouse buttons for the pointing stick feel a bit soft, but when the stylus feel trifle difficult.

Along with the right edge of the keyboard, when some notebooks stack their start, end, PgUp and PgDn keys, Dell offers a convenient play / pause, stop, previous / next track buttons for CD and DVD use, and turn off the volume buttons above the function keys. Fortunately, the keyboard allows the Home, End, PgUp and PgDn keys, in addition to the cursor arrows, though their placement in the top right is a little used to produce (we found a knife in the upper right-hand corner for the Delete key, which is actually a couple of places inflows ).

Along the left edge of the system, you can find a microphone and headphones connectors, an IEEE 1394 port, and a PC Card slot. Parallel, serial, VGA, S-Video from, 56Kbps modem, 10/100 Ethernet, and two USB 2.0 ports on the back.

In Philips SDVD6004 2X DVD + RW drive, which also serves as an 8X DVD-ROM player and 16/8/24X CD-RW drive on the right - and, we were pleased to note, is not simplified and faster reading of a few of our well - worn baseline CDs than DVD-ROM/CD-RW combo drives in the past few computers we tested. Pressing eliminates DVD burners and include an optional floppy drive ($ 59) or battery life by another two-thirds from the second lithium-ion pack ($ 129). In Inspiron 8500 configuration page offers a second, 40 GB hard disk for a modular bay ($ 249), but we do not see it listed in 8600.

Even just a standard battery, battery life is not half bad for such a high-powered computer: either a letter or watch a DVD, we regularly received two hours and 20 minutes unplugged operation, the optical storage and hard disk rather busy, and sticking to the top two of Eight screen brightness levels (the rest is rather dark).

Power of Dell inspiron 8600
dell inspiron 8600
Battery type of dell inspiron 8600 :li-ion

Chemistry: Li-ion Volts: 11.1V (Compatible with 10.8V) Capacity: 6600mAh Dimension: 226.90 x 66.80 x 24.40 mm Net Weight: 461g Color: Grey £ 39.21 + (S&H rates)

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Dell inspiron 8600 Laptop Battery fit OEM Part/Number: dell 01x284 , 310-0083 , 312-0083 , 312-0101 , 451-10151 , 8n544 , bat1297 , replacement for dell prcision m60 mobile workstation , inspiron 8600 notebook
See more info about dell inspiron 8600 battery click here..

Wednesday, April 2, 2008

Dell Inspiron 8500 review

Dell Inspiron 8500 review

Product: Dell Inspiron 8500
Price: $ 2,436 direct
Technical Specifications: 2.4 - GHz P4-M, 512MB DDR SDRAM, 40 GB hard disk, DVD / CD-RW drive, 15.4 - inch display, two USB 2.0 ports and one FireWire port, 7.1 kg . System weight
Company Information: 800-388-8542,

The best feature on a Dell Inspiron 8500 is a UXGA, 1900 - from 1200 resolution wide-screen display, and in the second only 3:32 batteries, and that the Pentium M - food Toshiba Satellite Pro M10-S405. But while the Dell model has received strong points batteries, it has lost points, not including wireless capabilities. (Dell expects to have a $ 49 wireless solutions available by the time you read this.)

In 8500, in silver-and-blue case is equipped with conveniently located multimedia control buttons, ports and slots. In the laptop has two USB 2.0 ports and one FireWire port, but there is no floppy disk drive, although we doubt many people will miss him. Inclusion at the same time pointing stick and the touch pad allows you to select your favorite navigation method. The speakers' sound quality is fine for a table watching a movie, but like all notebooks we examined, you want to build on external surround-sound speakers for enhanced sound.

In 8500, his knockout screen, multimedia good scores, and impressive battery lifetime, is a universal laptop. In addition to wireless round of the package nicely.

Winston Business: 23.2
BatteryMark: 3:32
Wireless type: None

Music: Photo: Video:

Overall, the Dell Inspiron 8500 handles multimedia tasks, ie. The combination of Easy CD Creator 5 for CD burning and MusicMatch Jukebox for ripping the chords, mp3 hard to beat. But even more impressive is the set of images-2000 years, and Microsoft Picture It! Photo 7.0. Video-editing software is limited to entry-level Windows Movie Maker. But limited video editing better than anyone, when you look at their materials 15.4 - inch UXGA screen.

When I bought my 8500 I was so happy with it. And you know that. I still am. I ordered it with 2.4Ghz Intel P-4 M, WUXGA, 1Gb RAM, Win XP Pro, 64MB NVIDIA GeForce FX Go5200 TM video cards, wireless 802.11 B / G, Bluetooth, the 24X CD read / write DVD-ROM combo drive, drive and the extra battery. (It provides about 3 additional hours, as well as CD / CD / Additional batteries are hot-swappable. "), I am so happy with it. I had no problems what. And if you want to go spilling water on it (see other people's reviews) , for its full withdrawal. I did that protects against water, fire and fall damage. Gets 3-year on-site service in the total care, 24 / 7 technical support by phone. (Free)-Key board is a bit clumsy, but if adopt it, and endanger gaskets that this will be nice and smooth! Overall, a good machine and good technical support. (If you order through your business, you can call to get corporate support and smart-Tech 's), I would recommend a Dell to anyone.

Power of dell inspiron 8500

  • Chemistry: Li-ion
  • Volts: 11.1V (Compatible with 10.8V)
  • Capacity: 6600mAh
  • Dimension: 226.90 x 66.80 x 24.40 mm
  • Net Weight: 461g
  • Color: Grey

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see dell inspiron 8500 battery in united kingdom


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