Archive for August, 2009

3 easy steps to extend the life of your laptop battery

Monday, August 31st, 2009

Tracking back: http://www.batteriesshop.co.uk/batteries/2009/07/09/3-easy-steps-to-extend-the-life-of-your-laptop-battery/

Notebook computers. At this point in the 21st century, they have become an indispenable part of many people’s everyday lives. From the commuting business executive and the busy college student, we all want to be mobile with our computers. The big drawback of that is the fact that there is not always a plug around when you need one. A notebook computer’s battery is its life-blood. Without proper care, your notebook battery could fail much earlier than anticipated. By following a few simple steps, you can expect to get the greatest amount of usage possible out of your notebook battery before a replacement is needed.

1. Upon purchase, charge the battery to full capacity.

Whether you have purchased a new computer have purchased a new battery for your laptop, charging it fully as soon as you open the box is the best recommendation. This allows the battery to reach a full capacity before you begin to use it “unplugged”. Most batteries come with a partial charge, enough to get you going if you absolutely had to. Giving that battery a full charge when it is brand new will help set the charge capacity for the battery at its highest possible level.

2. Once you reach a full charge, leave the computer plugged in for at least 2 hours.

This action lets the battery “rest” at a full charge for a fairly lengthy period of time. At this point, the battery is not drawing power from your wall socket to charge, and it is also not supplying any power to your system. Letting your  pcga-bp2nx ,pcga-bp2ny rest for a time after a full charge helps to “lock-in” that full charge capacity.

3. Unplug the computer and drain the battery.

It might sound silly, but now that you have gotten that battery to a full charge, you need to drain the power almost completely. Again, this will help determine the charge capacity of the battery. Leave your computer unplugged and use it until you get a warning telling you that the battery is almost completely discharge. Then save whatever you are working on and power the computer down. Plug back into the wall socket for a fresh charge. Then use the computer at your leisure.

If you follow these steps about once a month, your btp-apj1, btp-aqj1, btp-arj1, acer aspire 5540 battery ,acer aspire 5550 battery  should last a nice long while. Not to say that you will never have to replace it, but at least it will be a long time before you need to.

Ni-MH battery is in favor when the new rules is made

Monday, August 31st, 2009

Tracking back: http://www.batteriesshop.co.uk/batteries/2009/07/14/ni-mh-battery-is-in-favor-when-the-new-rules-is-made/

July 1, the “new energy automotive and product manufacturers access management rules” (hereinafter referred to as “Rules”) into effect. The release of “rules” of the new energy automotive products broken down by skill level for the initial stage where the development period and the three stages of maturity, and the corresponding limit of the scope of its market, prices of cars have also been limited access.

“Rules” attached to the “new phase of automotive technology division of the energy table (December 31, 2010 applies)” will use nickel-metal hydride batteries and lead-acid battery hybrid passenger cars included in the mature stage. To lithium-ion batteries for hybrid-powered passenger cars, commercial vehicles and pure electric vehicles, is included in the development phase. Product development period to allow for mass production, but only approved the use of regional sales, and at least 20% of the products for real-time monitoring of running status; mature products and the same conventional automotive products can be used at the national sales. This means that in December 31, 2010, the assembly of hybrid lithium batteries and electric vehicles will be limited to sales territories.

From the planning to see the future in the new energy automotive focus on the development of lithium batteries is the direction, but in the “planning” done a clear limit. In other words, to be Buffett’s bullish market has been the lost electric cars lithium battery Ni-MH battery in the hands of a hybrid! Ni-MH battery is really the future you will be able to be popular? For a time, become the focus of gossip to discuss.

Status:
According to the consultants for new energy sources, LI Sheng-mao auto industry researcher pointed out that the current driving force of new energy automobiles automotive lithium batteries have been the most promising development prospects, but the Department of Public Works this letter is not conducive to the development of a standard lithium cell vehicles across the country to promote universal and further said that this might be China’s new energy constraints of the overall development of the automobile industry.

Department of Public Works letter was optimistic about the nickel-metal hydride y9943, dell inspiron 630m battery itself has a certain degree of short-board. China Electrotechnical Society dedicated electric vehicles, director of technical service center Commission Tianshun Wang also said that while China was rich in hydrogen storage materials, but the extraction technology is not high, poor battery consistency, technical problems, there has been no breakthrough, but the cost of nickel-hydrogen batteries have been home high.
Development:

Nickel-metal hydride (NiMH) batteries in the battery market continues to occupy a large share of China’s annual output of nickel-metal hydride batteries has been growing steadily. 2006 Ni-MH battery production in China more than 960 million in 2007 to continue to produce more than 15% of the rate of growth, reaching about 1.1 billion. In the “rules” have been restricted since the lithium-ion dell inspiron 640m battery by Sony in 1992 since the industrialization, the global lithium-ion battery market to dominate the world from Japan. The year 2000, the Japanese lithium-ion battery production in the world accounting for more than 95% of the total output. In 2003, China’s battery production reached 26.2 billion, accounting for about half of global output over the battery, the Chinese have been manufacturing power and batteries to name but a few, the current battery production and exports are the highest in the world.

If the electric vehicle automotive oil after use of the mainstream, then the electric vehicle with lithium-ion batteries will certainly be popular, and in-depth aspects of lithium batteries R & D and investment in the future of the enterprise will become the giant auto parts industry, and may even change the world the pattern of auto parts suppliers. In recent years, the production of automotive lithium batteries are not businesses in the global list of hundred auto parts, auto parts enterprises existing hundred only Bosch, the mainland group, Magna, Johnson Controls, Hitachi (automotive business ), such as lithium dell inspiron e1405 battery also attempt to occupy the leading position in the field, and most of the way through joint ventures or acquisitions to achieve the unfamiliar, but the huge market potential for control.

Trends:
For lack of independence, the core technology of automotive components in China, the hybrid / electric vehicle battery and electrical system, it is China-related enterprises have become the world’s leading providers of an important opportunity. In this regard, the Chinese enterprises and overseas there is no gap between the core technology components are now so large, nor abroad many years earlier than China. Coupled with the cost advantage of China itself, as well as in electric bicycle dell xps m140 battery(especially lithium batteries) has accumulated experience in China is entirely possible in the hybrid / electric vehicles using lithium batteries to produce high value products and the possibility of occupying the most high-end technology.

Comment: Regardless of the development period or the maturity of the lithium battery of nickel-metal hydride batteries, new energy sources will be the protagonist of the vehicle’s power, perhaps the outcome of their energy from the new direction of development of motor vehicles to find the answers.

Mac or a Netbook? Students Chose the Latter

Sunday, August 30th, 2009

A majority of college-bound students gearing up for school will not consider buying a Mac laptop, a study reveals. Instead, students are gravitating toward affordable netbooks from a variety of manufacturers, according to Retrevo, a consumer electronics website, that conducted the study.

Retrevo says Macs are at the bottom of student wish lists this year. While 49 percent of students will buy full-sized Windows laptops, 34 percent will purchase netbooks. Bringing up the rear is Mac with only 17 percent of students saying they intend to buy one, the study shows.

The most affordable new Apple laptop I could find sells for $949 (white MacBook). Compare that to the 18 percent of survey participants who say they won’t spend a dime over $1000 for a laptop and Apple doesn’t look to be the big man on campus this year. A majority of penny-pinching students, 58 percent of them, said they plan on spending less than $750 on their back-to-school laptop.

Apple has been targeting the education market this year with a special promotion offering a free iPod Touch with every MacBook sold. Judging from Retrevo’s study the lure is not that effective. Apple’s promotion ends on September 8.

Cheap netbooks, some even under $200, may just be good enough for students tight on cash and already saddled with credit card and tuition debt. With long battery life, a variety of designs, these affordable mini-laptops give students more for their tight budgets.

While netbook sales are strong, Apple has been reluctant to enter the cheap ultraportable computer war. Speculation about such a device has been floating around for over a year now, but Apple execs blasted the idea of an Apple netbook back in March.

But Apple could have something else in mind for the education market. The Cupertino company is rumored to launch a tablet-sized device either this year or in early 2010, which could have broad applications for the education sector as well.

We might want to take the Retrevo study with a grain of salt considering it only polled 300 site visitors. And, personally, I’m not terribly surprised by its findings. Since when has Apple ever been the big man on campus when it comes to computer operating systems? If 17 percent of college-bound students actually do what they told Retrevo and buy a Mac, that’s actually pretty good news for Apple. Market research firm Gartner points out the Mac market share here in the United States is a paltry 8.7 percent. Plus, according to market research from NPD, Apple has its own bragging rights. It owns 90 percent of the over-$1000 PC market.

Hey, maybe Microsoft’s laptop hunter ad campaign is working? Next we’ll find out college students prefer Bing to Google. Can we hide from assimilation?

Whether you are part of the Borg or not, you still might want to check the latest Top 10 Netbooks and get some shopping tips on how to buy a netbook.

Follow Daniel on Twitter @danielionescu

How to play laptop battery greatest potential

Sunday, August 30th, 2009

The article comes from http://www.mylaptopbattery.co.uk/blog/2009/08/30/how-to-play-laptop-battery-greatest-potential/

 

Activation of a new battery
Does not require the laptop battery for 10 hours of rechargeable battery to activate the activity of the normal charge-discharge method for activation.
The proposed method: According to the available information suggests that the activation of cell work should be completed at the factory, and DELL laptop battery factory with a capacity of some natural wear and tear in order to avoid damaging the battery. Activation of the battery should be in no circumstances to protect the circuit can be with its own lithium battery circuit protection circuit, the purpose of this piece of the circuit is to avoid excessive battery charge and discharge, generally filled with the battery after charging when the indicator light off , the battery can not be recharged into the electricity, and then you then plug the power plug to recharge the battery in the face of what use? Available from the battery can be seen on the status of the battery have any charge, another teaches you a simple way to be able to determine whether there during the battery charging, battery charging, when the phenomenon will have a fever, when the battery is full after one hour (power plug does not pull), you go try the battery to see if the battery is still warm not hot? The result is definitely cold, because the battery is not charging and discharging state certainly does not heat. Notebook makers at the factory will propose that a new battery for more than 10 hours. The author of this opinion, should be taken into account that some notebook manufacturers a new user in the new battery charge when not fully grasp the skills, simply so that they can directly charge 10 hours, so this should be the business of expediency dell FK890 battery,dell GK479 battery.
How to correctly charge
Most people said that the unnecessary use automatic shutdown and then charge, and do not arbitrarily charge. Are generally used when the battery needs charging when the computer prompted further charge, of course, prompts the time can be set, the default is to 3%.
I proposed approach with the majority of the people is the same. In fact, regardless of laptop use nickel-metal hydride or lithium batteries, these batteries are have a memory effect, and nickel-metal hydride batteries with memory effect is very obvious, but equally there will be lithium memory effect, but its memory effect smaller than the nickel-metal hydride Bale . There is no memory effect on lithium to say, only exaggerated and irresponsible business conduct in advertising, is totally misleading. Well, since the battery has a memory effect, it should be noted when charging point, as far as possible and then run out of charge, but do not have to deliberately say must use the computer to automatically shut down, so that although there is no harm in using them (because the laptop battery has a charge discharge protection and automatic shutdown in general has not yet reached notebook battery discharge protection standards), but you do not feel so tired? In fact, less than 3% of the charge in this way is very good, memories will certainly be the effect, compared to natural wear and tear, it should be nothing. As for the charge that they want to charge on the point of view, the author is completely disagree, and have already said, whether laptop battery nickel-metal hydride or lithium, which has a memory effect, if in this way then the battery life will be shortened dell 3R305 battery,dell Inspiron 2500 battery.
Unplug the battery when the external power supply is
Most people use an external power source, will the battery removed, only a few use an external power supply when the battery is placed above, but their brands are used in several international brand.
In fact, if the battery is removed, the conflict focused on the use of an external power supply when the battery is charging to the issue. We should know that the number of charging and discharging the battery life is directly related to the general lithium battery set the number of charging and discharging are fixed number of charge cycles only 400-600 times, specially modified products, but 800 times, once for each rechargeable batteries a step forward to retirement. The first argument is simply because they are afraid to use power, the battery will be conducted on the above charge, not only increase the number of charge cycles, but will also cause overcharge. The second view is that the battery is full power on the computer in the use of an external power supply will not recharge.
In fact, both views have their right side, but also the wrong place. Because it is only the views expressed by individuals is not very comprehensive, after I investigated, many notebook manufacturers are taking into account the vulnerability of the battery, and the product added to the battery protection technology, and thus the corresponding different brand laptop batteries charging protection technology is different, like some large companies do very well in this regard, such as: IBM, Hewlett-Packard, Toshiba, Compaq, etc.. One of the most thoughtful consideration is that IBM, IBM’s notebook computers can detect the battery discharge situation, ThinkPad notebook battery only less than 95% of the time will automatically recharge. This can play a very good protective effect on the battery, and now many other manufacturers have followed suit dell Inspiron 3700 battery,dell Inspiron 3800 battery,dell Inspiron 4000 battery.

 

So, like the battery, you do not have the time to use pull down, because only when the capacity less than 95% of the time it would charge. But even so, if you are prolonged use of computers, or will the battery be removed to compare the good, because the long-running laptop heat generated when the battery will cause some damage. However, some other “little brand” laptop batteries, may not enjoy such treatment, because it has not done inside the battery protection technology. I like to use a certain brand of notebook computers, if the fully charged battery on the above, when using an external power supply was confirmed when the first charge about electricity, because the battery storage, will have wear and tear, can not reach 100%, while not 100% as long as , power supply connected to the charge. Each access to external power supply is equivalent to charging the battery once, although only a small charge will be the time. Therefore propose that we use when the machine according to their own circumstances, look at the laptop manual, choose whether to use an external power supply when the battery removed.

The misunderstanding of laptop battery repeatedly charge and discharge deeply

Sunday, August 30th, 2009

The article comes from http://www.mylaptopbattery.co.uk/blog/2009/08/30/the-misunderstanding-of-laptop-battery-repeatedly-charge-and-discharge-deeply/

 

Notebook computers equipped with original equipment batteries, after a period of time after use, there will inevitably be of standby time. Some users said: “The depth with repeated charge and discharge method, you can restore the performance of the DELL laptop battery, thereby extending battery life,” I think this to be relatively one-sided.

To understand this issue correctly, may start with the battery type used in laptop computers start with. As you know, before 1995 the production of notebook computers are basically nickel-cadmium batteries to power. The battery is in use, if the charge-discharge method is not correct, the battery will have a “memory effect”, thereby reducing the battery’s actual capacity to eliminate this “memory effect” is used repeatedly in the best way to charge and discharge depth way. With the emergence of nickel-metal hydride batteries, battery capacity has significantly improved, but the “memory effect” did not completely eliminate the shortcomings dell 6Y270 battery,dell 75UYF battery.
In recent years, lithium-ion batteries in notebook computers has been rapidly growing popularity, due to lithium-ion batteries have basically eliminated the “memory effect” problem, it is used repeatedly to restore the battery depth of charge and discharge performance of the method no longer applies. However, lithium-ion batteries why I still appear to reduce the capacity of the problem? The root causes of that situation, is used in notebook computers and the original lithium-ion battery built-in battery management system in the making.
Battery Management: At present, in notebook computers, almost all adopted the “battery management” and “charge-discharge control” two kinds of chip-level management system. The “battery management chip” placed in a notebook inside the chip to store the register of the computer used in the capacity of lithium-ion batteries, working temperature, ID, serial number, charge and discharge status, charging and discharging the accumulated frequency of important information. The data information in the use of the process, according to the actual situation of continuously updated. The battery built-in “charge-discharge control chip,” the most important role is to monitor and control the battery charge-discharge process as a whole and be documented dell C1295 battery,dell GD761 battery,dell TD347 battery.
Charge: Lithium-ion battery charging process of the whole, divided into “fast charge constant-current” and “constant-voltage charging current decreasing,” two phases. The so-called “constant-current fast-charge” means a charge has just begun when the charge current is fixed and the charge voltage to follow the battery terminal voltage gradually increased until it reaches the nominal voltage charging. When the battery terminal voltage has reached the standard value, the control chip will be automatically transferred to the “Constant current charge decreasing” phase, this time charging voltage will no longer continue to rise, while the charge current is to follow the battery capacity is rising gradually decreasing and finally reached zero, and so will complete the entire battery charging process.
In the meantime, the process of charging the charge arising from voltage, current, time and other data curves will be recorded in the cell are known as “charge-discharge control chip” in memory. “Battery Management IC” is through the retrieval of these data, and is calculated by sampling data such as battery capacity, which is what we read in the Battery Information where the value of Wh dell U4873 battery, dell D5318 battery.
Fixed: After repeated charging and discharging the battery after use, its built-in chip in the charging and discharging of data will of course change. If at this time “battery management chip” has no chance to re-read the newer, more complete data, it calculated battery capacity would of course not accurate, and to the user the impression that the battery capacity has decreased, but the reality on the battery capacity and there is no real reduction in the actual. Some brands of notebook computers comes with charging management software works, that is, the process of charging Refresh “charge-discharge control chip” in memory of the data, thus ensuring the “battery management chips,” the correctness of calculations.
If you take a close look over the use of laptop computers instructions, you will find among them the “computer in use one month later, the battery should be to make a full charge and discharge operation” instructions. Its main purpose is to use the depth of charge and discharge a way to modify the charge and discharge control chip registers inside the curve data, so that the battery charge control and the nominal capacity and the actual situation of the battery corresponds to arrive at the correct battery capacity values dell HD438 battery,dell KD186 battery,dell GD761 battery,dell Y9943 battery.

Re-understand notebook lithium battery maintenance

Sunday, August 30th, 2009

The article comes from http://www.mylaptopbattery.co.uk/blog/2009/08/30/re-understand-notebook-lithium-battery-maintenance/

For notebook computers, the battery can be said to be a more important component, its performance is directly related to notebook computer environment in the absence of power in the ability to work. The laptop battery can be considered a public component in another letter of consumables, it involves the laptop battery maintenance and reasonable use of the forum is also frequently discussed issue. With regard to laptop batteries at the time set aside to save much more than what should stay and whether the use of AC power when you remove the battery problems are not always what a unified answer. I watch a lot of foreign masters in the experience, it will sum up their general point of view, for your reference. After reading this article, you will find many of their claims and receive the recommendations of our universal existence of a number of differences in the number.
 
Li-ion batteries in a life cycle in general can be 300 to 500 times charge-discharge. So many people think that, as long as using less battery, so that you can to a certain extent, played a role in extending battery life. But they did ignore the original battery that the physical nature of the end when the battery off the assembly line, it’s internal life, the clock will then start walking. So even if you do not set aside the battery, lithium battery life was only two to three years you can come to an end of. Battery capacity caused by reasons for the decline was due to oxidation caused by the battery internal resistance increases. When the electrolytic cell resistance reaches a certain point, although this time the battery still be full of electricity, but the battery has been unable to release the stored electricity dell Latitude D600 battery,dell Latitude D610 battery.

Caused by lithium batteries is the speed of this aging temperature and set aside when the charge state of preservation decision. I will give a table to illustrate the different situations of these two factors, the impact on the battery capacity.

Can be seen from the table, high charge state and the high temperature accelerated the decline in battery capacity. Therefore, if possible, as far as possible, after the battery charge to 40% placed in a cool place to save. This allows the preservation of a long period, the battery protection circuit is in its working state. And if the battery is fully charged, will be placed at high temperatures, which will cause great damage to the battery, the table has also been seen, charge 100% in the 60 ° C environmental conservation, 3 months after the battery dell XPS M140 battery,dell XPS M1210 battery capacity fell by 40% . Therefore, how to save the battery solved the issue, but also leads to another focus of everyone has been argued, that is when we use a fixed power supply when there is a need to remove the battery? Before the resolution of this question let us first analyze the use of fixed power supply when the battery placed in a computer environment in which … … at this time due to charge notebook computers role in protection circuit, so that the battery remained at 100% of full power state, and this When the battery in which the ambient temperature between 25-30 ° C, at least, if the hot weather, this temperature will be higher, then from the table, you should be very natural to come to a conclusion that it is so to do this would actually damage the battery, causing a decline in its capacity.

But despite the use of laptop computers, high-temperature will bring damage to the battery. But Qudiao battery, use only a fixed supply, there will still some danger that dust and moisture will cause some damage to the battery, while the use of notebook computers in order to avoid a sudden power notebook computers may cause damage, so Manufacturers generally warn users not to remove the battery. Of course, this result will be naturally imagined, your battery as often in such a relatively poor environment, it will not be long over, and then you will need to go to repair center to replace the battery, this way, the benefit of course, is a manufacturer of dell Latitude D620 battery,dell Latitude D800 battery.
Finally we spotlight a lithium battery that is exactly how a reasonable charge and discharge this issue. For the lithium battery is best for partial discharge, rather than fully discharged, and to as much as possible to avoid frequent full discharges. Regular battery too low discharge of the result can only be scrapped so that the battery in advance, because if the battery into every cell of 2.5 volts below the battery’s internal safety circuitry will be switched on, this time the battery will become some bad spent. Therefore, in order to avoid such situations from occurring, do not save the battery power before its release was erased, but rather a number of electric charge in the store before, and again before the first fully charged.
All in all, in order not to make your premature loss of the role of the battery, then the use of normal, you should try to comply with the following principles:
A. avoid full discharge, and often for lithium batteries. The repeated arbitrarily rechargeable lithium battery damage is very small, almost negligible.
B. will need to keep hold of lithium batteries placed in the shade, remember not to put in the refrigerator dell Latitude D810 battery,dell Latitude D820 battery. Avoid placing hot car, such as a long time to save the battery charge to 40% in place.
C. most of the time if you are using a fixed power supply, please remove the batteries placed in the shade.
D. no need to purchase spare lithium batteries for storage, so this piece is actually a waste of battery.
Battery is brought to use, as long as the attention to rational use and preservation methods, there is no need to care for their excessive, making it possible for its owners contribute more to performance is the most important dell Latitude D830 batterydell Latitude X300 battery.

Ultrathin Price Drops May Squeeze Netbooks

Friday, August 28th, 2009

The dominance of low-cost netbooks could be threatened by an emerging category of ultrathin laptops, which could compete on features and price, analysts said.

Ultrathin laptops are a new category of lightweight laptops that are as portable as netbooks and provide adequate performance to run most applications such as high-definition multimedia or casual gaming. The category emerged earlier this year when Hewlett-Packard in January introduced DV2 laptop, which was priced at around US$700.

Compared to ultrathin laptops, netbooks are designed for Web surfing and to run basic applications like word processing software. Netbooks have slower performance and are characterized by small keyboards with screen sizes between 8 inches and 12 inches.

Dell introduced its first ultrathin Inspiron 11z laptop at $399 this week, breaking into the price range of many netbooks. With an 11.6-inch screen, the laptop provides “netbook-like portability with laptop-like capability,” wrote Dell’s Anne Camden in a blog entry.

The laptop is powered by a Celeron 723 processor running at 1.2GHz, which is more powerful than the Intel Atom processors found in netbooks. The laptop weighs about 3 pounds (1.36 kilograms), only slightly more than some of Dell’s netbooks. The features also include the ability to play back high-definition video, something not possible on most netbooks today.

If Dell’s product is an indicator, prices of ultrathin laptops, which are currently in the range of $500 and above, are set to drop, said Roger Kay, president of Endpoint Technologies Associates. Ultrathin laptops could possibly bite into netbook sales, which have had a price advantage, costing between $200 and $500.

Intel has been “anxious” to promote ultrathin laptops, but until now they have cost too much, Kay said. Intel and Advanced Micro Devices are providing chips to PC makers for ultrathin laptops.

Ultrathins provide superior performance, while the size and weight are comparable to netbooks, Kay said. Dell’s Inspiron 11z pricing is a smart move and could make the laptop an alternative to netbooks for price-conscious buyers, Kay said.

“It’s extremely aggressively priced, but it doesn’t have the performance limitations of a netbook,” Kay said. For example, ultrathins can run Windows 7 Home Premium, which an average netbook cannot run.

The emergence of ultrathin laptops also works in favor of Microsoft, which is looking to eke out more profitability from the low-end laptop space. High netbook sales have affected Microsoft’s earnings, and the software giant would welcome the emergence of ultrathin laptops, Kay said. Microsoft’s revenue took a hit because of high netbook shipments and a worldwide decline in PC sales during the fiscal fourth quarter of 2009.

“You’ve got a situation here where Microsoft is trying to land a version of Windows 7 that will be profitable for itself and the low-end market,” Kay said.

Microsoft plans to offer a version of Windows 7 called Starter that could go into netbooks, but may want to push higher-end versions like Windows 7 Home Premium that could run on ultrathin laptops, said David Daoud, research manager at IDC. That could help the company generate more licensing revenue.

“The ultrathin laptops are an attempt to go back to a normal mode with your high price points so there are margins for everyone, but the economy is a wild card,” Daoud said.

The economy right now is weak and a $50 price difference means a lot to buyers, Daoud said. Some buyers don’t care about performance or size and they may continue to buy netbooks, he said.

“It just highlights the confusion in the market. Some consumers really don’t care. For them, ultrathin, Atom, they perhaps don’t care too much,” Daoud said.

Netbooks have small screens and can easily be moved around home, a convenience that ultrathins may not offer, analysts said. Ultrathins have slightly larger screens and could function as the primary PC in many homes.

Mainstream laptops are also feeling the pricing pressure as customers lean toward netbooks and ultrathins in search of mobility, Kay said.

Size and convenience are Dell’s way of differentiating between ultrathins and its existing line of netbooks, Dell’s Camden wrote.

“Dell has always positioned netbooks, a.k.a. Minis, as companion devices — miniature laptops that are easy to slip into a bag or briefcase and use while on the go,” Camden wrote.

But the categories are bound to clash, and netbooks have a long way to go, especially in performance, Kay said. Ultrathins are far ahead in the performance curve, and netbooks may need either a redesign or quick advancements in the silicon they use, like processors.

“Netbooks don’t have that much time” to catch up, Kay said.

Japanese Association for Solar Power the statistical results

Friday, August 28th, 2009
According to the Japanese Association for Solar Power (JPEA) the statistical results showed that Japanese companies are JPEA members in 2009 first quarter (April ~ June) solar cell and module supplier by 10% compared with a year earlier, reaching 84.6MW. Exports fell by 6% year on year has fallen 201.4MW, while for Japan’s domestic shipments have increased 83% year on year, reaching 83.3MW. The reason is to restore Japan’s grant system, laptop battery was active in the domestic market trends.
From the different types of point of view, poly-silicon type solar cell supply increased by 7% compared with a year earlier, VGP-BPS9A battery reaching 149.4MW, monocrystalline silicon class year increased by 8% to 97.7MW, thin-film silicon-year increase of 31% category, to 33.6 MW. Compound class and others Sony laptop battery, JPEA classified as “other” type of an increase of 38%, to 4.0MW.Japanese Association for Solar Power the statistical results

Japanese Association for Solar Power the statistical results

Friday, August 28th, 2009
According to the Japanese Association for Solar Power (JPEA) the statistical results showed that Japanese companies are JPEA members in 2009 first quarter (April ~ June) solar cell and module supplier by 10% compared with a year earlier, reaching 84.6MW. Exports fell by 6% year on year has fallen 201.4MW, while for Japan’s domestic shipments have increased 83% year on year, reaching 83.3MW. The reason is to restore Japan’s grant system, laptop battery was active in the domestic market trends.
From the different types of point of view, poly-silicon type solar cell supply increased by 7% compared with a year earlier, VGP-BPS9A battery reaching 149.4MW, monocrystalline silicon class year increased by 8% to 97.7MW, thin-film silicon-year increase of 31% category, to 33.6 MW. Compound class and others Sony laptop battery, JPEA classified as “other” type of an increase of 38%, to 4.0MW.

Electric vehicle battery maintenance, the coup

Friday, August 28th, 2009
Electric cars have already entered our lives, in use on how to maintain the laptop battery electric cars do?
The car driving the process, should not be frequent to start, brakes, because the time consuming current, the battery negative.
Experience a more steep uphill or poor road conditions, when the get off the implementation (which can lead force), reducing the DELL laptop battery large current discharge, or easy to damage the battery.
Constant attention to the battery of power-storage and, if the phenomenon of power loss, we must promptly give charge to prevent sulfide;
When charging to charge until the green light is not suitable for half-way stop and then driving charge, so apt to vulcanization;
The car a long time when not in use, should be placed saturation charge per month to pay for additional electricity once the battery to prevent sulfide.
In addition to the Inspiron 9400 battery charger The quality of life impact is not inconsiderable, the following instructions for your reference.
Why is a good charger can extend battery life?
For a friend ride electric vehicles, in particular the configuration of high-powered motor as friends, generally six months to a year or so, we must replace the GD761 battery, how to extend extend the battery life cycle of replacement batteries for each car’s friends are very concern.
To extend battery life, in addition to and riding habits, the quality of the battery, the more closely the quality is good or bad charger. On the one hand, the battery though simple in principle, but has its own charge-discharge performance characteristics (each of the charge and discharge processes are taking place in a complex physical and chemical changes), and only consistent with this charging method, and the repair of the charger with pulse can be real sense to extend Latitude D830 battery life; the other hand, chargers and battery charging accompanied almost every day, not in conformity with battery charger features, it means the battery’s “pillow killer,” “slow poison”, overcharge or less charge will be long-term “poisoning” battery, a long time, prone to water loss, etc. affect the bulge deformation of the normal life of the battery problem, which is the industry’s often said that the “battery is not being used or bad, is filled bad” argument .
The following is the Latitude D620 battery charging and discharging and the use of the process will lead to attenuation of several aspects of the capacity factors:
1. In the battery use and charging and discharging process, there will be “curing” phenomenon affect the battery capacity.
Note: The curing process that is due to the use of batteries in the electrochemical reaction, plate will gradually be covered by the hard lead sulfate crystals, resulting in gradual reduction of active plate area and the acid concentration decreased and makes the battery capacity decline.
2. Winter and summer, the battery charging voltage is different from the absence of a suitable environment for PSA can be adjusted with the charger, will make the summer off rechargeable batteries eventually lead to water loss caused by the battery pack battery drums, distortion, or charge occurs in winter due to decreased mileage.
Note: The battery charging voltage and the ambient temperature is inversely proportional to the relationship.
3. As the HP laptop battery  factory use and a variety of factors such as compatibility of the error by connecting the battery voltage imbalance will occur between the battery capacity will be subject to the minimum voltage that the battery.
Note: Because the battery more than 3 ~ 4 12V battery thread made, use, compatibility of the error due to the battery factory and other factors, will make the battery appear inconsistent power voltage, whereas the traditional concatenation constant voltage or constant current charging mode will not solve the imbalance in voltage between the Pavilion dv2000 battery problem, the final battery capacity would be subject to a lower voltage that the battery effect of other higher-capacity battery power will not be released.
How to choose a good charger?
Based on the above Pavilion dv6000 battery problem that might arise in use, targeted to select a good charger is essential, probably to meet the following requirements:
1. With the MCU digital control, charge and discharge control parameters should conform to specific battery charge curve, the current to determine the battery is full, rather than the voltage of judge.
2. With a positive or negative pulse charging repair functions, can be shattered plates of lead sulfate crystals, repair plate activity.
3. With automatic temperature compensation function, according to the ambient temperature is different charging voltage timely adjustments to ensure that filling the summer, but winter is not less filling.
4. With a balanced charging function, can prevent the thread between the Sony laptop battery voltage inconsistencies, maintaining consistency of battery capacity.
5. Conventional reverse, short circuit, over-current over-voltage, over temperature and no-load no output protection VGP-BPS9A battery , VGP-BPS5 battery , VGP-BPS2 battery.