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Why it is useless about the Laptop Battery Claims

It's one of those things we take for granted: official laptop battery life claims have an extremely tenuous relationship with reality. Not surprisingly, everyone's using the same tricks to conjure their silly estimates¡ªand they don't plan on stopping.

AMD, as part of a some kind of PR campaign, is saying the culprit is a battery testing suite called MobileMark 2007:
the parameters for this test include having the screen at just 20 percent brightness, Wi-Fi turned off and no music, video, games or Web pages running. More or less, the test turns a computer into a dimly lit clock, then sees how long it can run like Dell GK479.

That is exactly the kind of test you'd have to run to hit Sony VGP-BPS2C 50-100%-inflated figures, and the perceived ubiquity of the test gives it an air of authority¡ªor at least respectability¡ªwithin the industry. Using anything more honest would put a manufacturer at a competitive disadvantage.

Whenever I want to learn more about a particular battery chemistry, I refer to this book "Batteries in a Portable World." You can pickup a print version on Amazon for $4.75. The book is also available for free on-line. It contains a wealth of information,many kinds of batteries such as Dell GD761,Latitude D620 battery.......

Here are a few more tips for getting the longest life from the lithium-based batteries in your laptops and power tools:

• Avoid heat
• Remove the battery when using a power supply for a extended duration
• When not in use, store the battery at a 40 percent charge and keep it in the refrigerator (do not freeze)
• Buy fresh batteries from a retailer who sells a lot of batteries ThinkPad T60 battery and so on. (avoid old batteries)
• A full discharge after every 30 charges will help recalibrate the battery

This is where the story lapses into accusations of subterfuge: AMD says these tests don't just benefit laptop manufacturers in general¡ªthey're unfairly biased towards Intel, whose chips are optimized for these less-than-realistic scenarios. It's easy to see how this would be upsetting, but it's not clear what AMD can really do. They're proposing a system by which manufacturers show two battery ratings¡ªone the shows a theoretical, low-use maximum, and one that reflects heavy use. (To their credit, Sony already does something like that). Dell inspiron 700m battery admits the practice, but is predictably standoffish about it, while AMD doesn't inspire much confidence:
By 2010 or 2011, something might show up from a consortium that could be used. It takes two to three years."
Well, thanks for trying, I guess!

more inforbattery4.us/laptop-battery/

Large inventory of Hot ULV Notebook

Before Computex carried out , Intel ULV Platform (Ultra-Low Voltage)laptop batteries are few, but only Acer Aspire T Series and Tsinghua Tongfang S30. Just as we expect, as before, ULV notebook platform at Computex Taipei this year, after the full-blown,a variety of ULV full debut such as Lenovo, the Shenzhou, Hewlett-Packard products , approachable price or even a threat to the traditional low-cost in this market, the time of super - low-power thin notebooks become the focus of discussion.ULV low-power laptops have sprung up everywhere, becoming a new growth point of the notebook market, we have seen, including the domestic, Japanese, Korean department, as well as Europe and the United States and others like Sony VGP-BPS2C are low-power market in the hair strength. Throughout the second half of the entire notebook industry in the Atom access into this market, when cold, ULV notebook much left undone trend.
Intel ULV platform equipped with a new generation of consumer-level Ultra Low Voltage processor with low power consumption, heat a small and so on. The platform is designed using a notebook computer, with a light and portable, moderate performance, low price, Inspiron E1505 battery and so on. At present, the major brand notebook makers have already introduced the basic product. Here, Xiao Bian first to introduce the mainstream under the current ULV processor, and then I will introduce several are on the market selling ULV notebook platform.
mainstream Intel ULV processor performance analysis of
This is the best of times, Intel's efforts to strengthen market segments, for manufacturers and consumers a variety of processors, the procurement program, corresponding to the different needs of different price points of products, eliminate waste; the same time, this is the worst of times , we find that in the stores in the illegal use of complex processor business models to Kengpian consumers, in order to achieve the maximization of profits, so I, as a meal, we must be right before buying ULV processor platform, a certain degree of understanding.
Upper right figure we can see that the market is divided into the same mainstream platform processor ULV Celeron, Pentium,Dell GD761, Core 2 Duo, the same as with conventional voltage processor core is also divided into single-core and dual-core, while not exactly the same power consumption, we selected more attention when purchased.
Results from the test run, ULV dual-core processor performance advantages are obvious, even if the product is actually low-frequency single-core speed than a lot of strong high-frequency, so here we give priority to recommend dual-core ULV processor, The following recommended products for everyone that we will also focus on dual-core for the recommendation.
Dell KD476 battery (quotations parameter picture comment) is to the ULV Lenovo's ultra-low-voltage portable notebook computers with the introduction of a new 14-inch, as a ULV platform for notebook computers, the performance is not its advantages, but it's life long time and lighter weight to compete in the market an important bargaining chip. The models look all-black tone, leather and metal roof texture texture LOGO perfect fusion of classical reflected in the fashion atmosphere. At present,Toshiba PA3399U-2BRS leather texture, and metal roof LOGO
Lenovo IdeaPad U450A golden ratio using 14-inch 16:9 wide-screen design, is equipped with Intel Core 2 ULV SU7300 dual-core processor (1.3GHz frequency / 3MB 2 Cache / 800MHz FSB), Intel GS45 + ICH9M Chipset , 2GB DDR3 RAM, 250GB hard drive and ATI Mobility Radeon HD4330 dedicated graphics card.
Editorial: Lenovo Lenovo IdeaPad U450A-SSE , Inspiron 1300 battery as the ULV platform series models configured in a higher model, its overall performance was still very good, especially with discrete graphics to make it in the performance of graphics processing certain degree of protection. 6 hours long endurance capabilities and 2kg weight make it the best equipment away from the office.

more information:seriousblogging.com