How to prolong lithium-based batteries

   Battery research is focusing heavily on lithium chemistries, so
much so that one could presume that all portable devices will be
powered with lithium-ion acer batteries in the future. In many ways,
lithium-ion is superior to nickel and lead-based chemistries and
the applications for lithium-ion batteries are growing as a result.



Lithium-ion has not yet fully matured and is being improved continuously.
New metal and chemical combinations are being tried every six months
to increase energy density and prolong service life. The improvements
in longevity after each change will not be known for a few years.


A lithium-ion battery provides 300-500 discharge/charge cycles.
The battery prefers a partial rather than a full discharge. Frequent
full discharges should be avoided when possible. Instead, charge
the sony vgp-bps9a/b battery more often or use a larger battery. There is no concern
of memory when applying unscheduled charges.



Although lithium-ion is memory-free in terms of performance deterioration,
vgp-bps9/s batteries with fuel gauges exhibit what engineers refer to as "digital
memory". Here is the reason: Short discharges with subsequent
recharges do not provide the periodic calibration needed to synchronize
the fuel gauge with the battery's state-of-charge. A deliberate
full discharge and recharge every 30 charges corrects this problem.
Letting the battery run down to the cut-off point in the equipment
will do this. If ignored, the fuel gauge will become increasingly
less accurate. (Read more in 'Choosing the right battery for portable
computing', Part Two.)



Aging of lithium-ion is an issue that is often ignored. A lithium-ion
battery in use typically lasts between 2-3 years. The capacity loss
manifests itself in increased internal resistance caused by oxidation.
Eventually, the cell resistance reaches a point where the pack can
no longer deliver the stored energy although the vgp-bps9/b battery may still
have ample charge. For this reason, an aged vgp-bps9 battery can be kept
longer in applications that draw low current as opposed to a function
that demands heavy loads. Increasing internal resistance with cycle
life and age is typical for cobalt-based lithium-ion, a system that
is used for cell phones, cameras and laptops because of high energy
density. The lower energy dense manganese-based lithium-ion, also
known as spinel, maintains the internal resistance through its life
but loses capacity due to chemical decompositions. Spinel is primarily
used for power tools.



The speed by which lithium-ion ages is governed by temperature and
state-of-charge. Figure 1 illustrates the capacity loss as a function
of these two parameters.




size="2" face="Verdana, Arial, Helvetica, sans-serif">Figure
1: Permanent capacity loss of lithium-ion as a function of temperature and charge
level.

High charge levels and elevated temperatures hasten permanent
capacity loss. Improvements in chemistry have increased the storage performance
of lithium-ion sony batteries.

size="2" face="Verdana, Arial, Helvetica, sans-serif">

The mentioning of limited service life on lithium-ion has caused
concern in the vgp-bps8 battery industry and I will need to add some clarifications.
Let me explain:

If someone asks how long we humans live, we would soon find out
that the longevity varies according to life style and living conditions
that exist in different countries. Similar conditions exist with
the batteries, lithium-ion in particular. Since BatteryUniversity
bases its information on the feedback from users as opposed to scientific
information derived from a research lab, longevity results may differ
from manufacturer' specifications. Let's briefly look at the various
living conditions of the lithium-ion battery.



The worst condition is keeping a fully charged vgp-bps12 battery at elevated
temperatures, which is the case with running laptop batteries. If
used on main power, the battery inside a laptop will only last for
12-18 months. I must hasten to explain that the pack does not die
suddenly but begins with reduced run-times.



The voltage level to which the cells are charged also plays an pa3399u-2brs important
role to longevity. For safety reasons, most lithium-ion cannot exceed
4.20 volts per cell. While a higher voltage boosts capacity, the
disadvantage is lower cycle life. Figure 2 shows the cycle life
as a function of charge voltage.



size="2" face="Verdana, Arial, Helvetica, sans-serif">

There are no remedies to restore lithium-ion once worn out. A momentary
improvement in performance is noticeable when heating up the pa3534u-1brs battery.
This lowers the internal resistance momentarily but the condition
reverts back to its former state when the temperature drops. Cold
temperature will increase the internal resistance.



If possible, store the pa3535u-1brs battery in a cool place at about a 40% state-of-charge.
Some reserve charge is needed to keep the battery and its protection
circuit operational during prolonged storage. Avoid keeping the
battery at full charge and high temperature. This is the case when
placing a cell phone or spare battery in a hot car. Running a laptop
computer on the mains has a similar temperature problem. While the
battery is kept fully charged, the inside temperature during operation
rises to 45°C (113°F).



Removing the battery from the laptop when running on fixed power
protects the battery from heat. With the concern of the battery
overheating and causing fire, a spokesperson for the U.S. Consumer
Product Safety Commission advises to eject the PA3615U-1BRM battery of affected
laptops and to run the machines on a power cord. It should be noted
that on a power outage, unsaved works will be lost.

The question is often asked, should the laptop be disconnected from
the main when not in use? Under normal circumstances, it should
not matter with lithium-ion. Once theToshiba battery is fully charged,
no further charge is applied. However, there is always the concern
is malfunction of the AC adapter, the laptop or the battery.



A large number of lithium-ion inspiron 6400 battery for cell phones are being
discarded under the warranty return policy. Some failed batteries
are sent to service centers or the manufacturer, where they are
refurbished. Studies show that 80%-90% of the returned batteries
can be repaired and returned to service.



Some lithium-ion batteries fail due to excessive low discharge.
If discharged below 2.5 volts per cell, the internal safety circuit
opens and the latitude d630 battery appears dead. A charge with the original charger
is no longer possible. Some battery analyzers (Cadex) feature a
boost function that reactivates the protection circuit of a failed
battery and enables a recharge. However, if the cell voltage has
fallen below 1.5V/cell and has remained in that state for a few
months, a recharge should be avoided because of safety concerns.
To prevent failure, never store the battery fully discharged. Apply
some charge before storage, and then charge fully before use.



All personal computers (and some other electronic devices) contain
a xps m1530 battery for memory back up. This battery is commonly a small non-rechargeable
lithium cell, which provides a small current when the device is
turned off. The PC uses the battery to retain certain information
when the power is off. These are the BIOS settings, current date
and time, as well as resource assignment for Plug and Play systems.
Storage does shorten the service life of the backup battery to a
few years. Some say 1-2 years. By keeping the computer connected
to the main, albeit turned off, a battery on the PC motherboards
should be good for 5-7 years. A PC should give the advanced warning
when inspiron 1525 battery gets low. A dead back-up battery will wipe out the
volatile memory and erase certain settings. After battery is replaced,
the PC should again be operational.



size="2" face="Verdana, Arial, Helvetica, sans-serif">Longevity
of high-power lithium-ion

Generally speaking, XPS M1730 Battery live longer if treated in a gentle
manner. High charge voltages, excessive charge rate and extreme
load conditions will have a negative effect and shorten the battery
life. This also applies to high current rate lithium-ion batteries.



Not only is it better to charge lithium-ion Latitude D520 Battery at a slower
charge rate, high discharge rates also contribute the extra wear
and tear. Figure 3 shows the cycle life as a function of charge
and discharge rates. Observe the good laboratory performance if
the dell battery is charged and discharged at 1C. (A 0.5C charge and
discharge would further improve this rating.)





size="2" face="Verdana, Arial, Helvetica, sans-serif">Latitude D830 Battery experts agree that the life of lithium-ion depends on other factors
than charge and discharge rates. Even though incremental improvements
can be achieved with careful use of the battery, our environment
and the services required are not always conducive to achieve optimal
battery life. The longevity of a battery is often a direct result
of the environmental stresses applied.

size="2" face="Verdana, Arial, Helvetica, sans-serif">Simple
Guidelines

• Avoid frequent full discharges because this puts
  additional strain on the Latitude D600 battery. Several partial discharges with frequent recharges
  are better for lithium-ion than one deep one. Recharging a partially charged lithium-ion
  does not cause harm because there is no memory. (In this respect, lithium-ion
  differs from nickel-based batteries.) Short battery life in a laptop is mainly
  cause by heat rather than charge / discharge patterns.
  
  
• Batteries with
  fuel gauge (laptops) should be calibrated by applying a deliberate full discharge
  once every 30 charges. Running the pack down in the equipment does this. If ignored,
  the fuel gauge will become increasingly less accurate and in some cases cut off
  the device prematurely.
  
  
  
• Keep the lithium-ion battery cool. Avoid a
  hot car. For prolonged storage, keep the dell hg307 battery at a 40% charge level.
  
  
• Consider
  removing the battery from a laptop when running on fixed power. (Some laptop manufacturers
  are concerned about dust and moisture accumulating inside the battery casing.)
  
  
  
• Avoid purchasing spare lithium-ion  XPS M1330 Battery for later use.
  Observe manufacturing dates. Do not buy old stock, even if sold
  at clearance prices.
  
  
  
• If you have
  a spare lithium-ion battery, use one to the fullest and keep the other cool by
  placing it in the refrigerator. Do not freeze the battery. For best results, store
  the battery at 40% state-of-charge
  
• The artices from: batteryblog  laptopbattery  batterymag  laptopbatterymag
  
  
  

Nano-technology can make fabric and paper into light battery

An engineer has found a cheap and efficient production of light paper-based Dell XPS M1730 Battery and super capacitors, as well as extension and conductive textiles method, called “e-textiles (eTextiles)”, the textile can store energy, while preserving the of paper or fabric mechanical properties.

Batteries and super capacitors store energy by electrostatic, not chemical methods.

Yi Cui of Stanford University engineers will be plain paper or fabric soaked in a special nano-particles into the ink to develop e-textiles.

Cui-led teams, and even envisages a number of functional purposes for their xps m1530 battery invention . May one day save the future of home energy use wallpaper. Gadget lovers can connect the gadget at any time to their T-shirts, to the portable gadget charging devices. Energy textiles can also be used to produce mobile display apparel, production and response capabilities with high-performance sports apparel as well as a wear-resistant ability of heavily armed soldiers.

The development of these high-tech products for inspiron 6400 battery is the main component of the human eye can not see the nano-structures, nano-structures can be assembled, so that they have the conductive features, the structure of this assembly has the potential to market some of the power storage devices provide solutions for problems encountered.

Cui team experimental device used in nano-particle type of the product is expected to function under the change - Lithium cobalt oxide battery for latitude d630 battery is a compound commonly used in batteries, while the single-walled carbon nanotubes (SWNTs) is used for super-capacitors.

Cui said: “Energy storage is a very old area of research, super capacitors, inspiron 1525 battery batteries - these are old things. How to truly make a revolutionary impact in this area? This requires a lot of different ways of thinking.”

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Local solid waste agency may tell you to put on regular alkaline batteries in your garbage

The port selection was good. The LCD hinge was also quite stable, but there is no doubt that you’ll notice a lot of shiny plastic (as opposed to metal or other durable material). Fortunately, the machine itself felt really stiff, and we will not hesitate to crSam it into a list box or briefcase.

The Lead-acid batteries are recycled by separating the PA3383U-1BRS battery in three main components: plastic, lead and sulfuric acid. Reclaimers crush batteries into nickel-sized pieces and separate the plastic parts. They send the plastic to a reprocessor for manufacture of new plastic products. A typical pa3399u-1brs battery lead acid contains 60 to 80 percent recycled lead and plastic.

The T410 includes a VGA output with DisplayPort as a digital output option; Single-link resolutions will work fine with a simple adapter, but if you want to run a high resolution 2560 脳 1440/2560 脳 1600 LDCs will have an active adapter, which can cost $ 100. Ideally, you want an external LCD display with native support for DisplayPort, if you intend to use an external monitor (Dell monitors LCD, such as the U2711 or U2410 is a good choice), or otherwise grab a docking station to support DVI. The Lenovo (pa3399u-2brs battery) T410 also offers an optional Smart Card reader for business users, ExpressCard/34, memory reader and a flash. The optical drive is SATA Ultrabay Slim bay is 9.5 mm high, with an optional adapter, you can easily remove the DVDRW on the second HDD / SSD.

When one of these conditions, the phone can perform certain tasks such as changing the screen, turning Wi-Fi or Bluetooth, turning up the volume or even changing the example ringtone.For, if a user has a board meeting the same place every week, he or she could use the app Locale (Apple A1008) to make the device go into “silent” mode when it reaches that position. The app will recognize that the location based on GPS coordinates.A1189 Battery,Apple A1185

Despite the fact that Amazon is trying to snag as much of the market e-books as possible from the start of the Kindle, 2007, the company never disclosed how many Kindles have been sold. Analysts believe that it has sold 3 million. (Analysts believe Apple could sell that many iPads in the first year of the product).

The stereo sound is weak and tinny, good enough for basic audio confirmation or the occasional video from YouTube, but not the kind of thing you would want to spend much time listening to music or watching movies on. In my tests, high-def clips YouTube stuttered and skipped on HP (HP dv8000 Battery) Mini 210, just as do most other Atom-based netbooks that the lack of specific video processing support. Our system came with Windows 7 Starter, although Windows XP Home is also available and may be a better bet, given the limitations in adapting to 7 Starter.DV2000 Battery,DV6000 Battery

local solid waste agency you may tell you to put on regular alkaline batteries in your trash. This is partly due to mercury and rechargeable Management Act was passed in 1996, gradually the use of mercury in alkaline batteries, laptop, making them less of an issue when placed in landfills. But this does not mean alkalines are not recyclable.

All the usual suspects are there for connectivity (Ethernet, Wi-Fi and Bluetooth), but when you get to the screen of Toshiba (Toshiba PA3534U-1BRS battery) Satellite U500-1EX that the first cracks begin to appear in this glamorous facade. It is described as a 13.3-inch WXGA TFT TruBrite screen brightness and even high-brightness (with a maximum resolution of only 1280 x 800) is the heart of the problem. The backlit control keys keyboard has twice the brightness of this dull affair.

HP (HP DV5000 Battery) ’s recent consumer netbook is not bad, especially for the price, but not very commendable either. Return on average. Keyboard and multitouch pad can be used, as well as ports and connections are bog-standard. If you need a netbook and does not want to spend much money, the Mini 210 will do the work without forcing you to tolerate any serious flaws in design or performance problems, but that’s about as much enthusiasm as I can gather on this machine.

Mr. Lanci has rejected concerns about the increase in low-profit ultracompetitive market in China, saying that profit margins in the country of 2% to 3% “not bad” and slightly less than about 4% in other parts of Asia . He added that Chinese consumers are more sophisticated and focused on the performance of the PC and features such as high-end graphics. Price is not the most crucial factor for China, Mr Lanci said.

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Forbes has come to the rescue with more efficient HDTV sets

When it comes to energy hogs in your home, few devices are as harmful to the environment and your utility bill as a big-screen TV. While the move from CRT to Dell inspiron e1505 battery flat panel technology has generally meant some power savings, that’s ultimately been outweighed by the much larger sizes of these sets. It just doesn’t matter if the core technology uses less power if the new set is four times as big.

Fortunately, Forbes has come to the rescue with information on the more efficient HDTV sets.The most power-conscious sets generally use LCD technology with LED backlighting, Forbes says. The energy advantage here comes from jettisoning fluorescent backlights to Dell CF623 battery , which are more efficient than incandescent-style bulbs but which, when compared to LEDs, are still wasteful.

Plasma technology is notoriously energy-hungry, too. (Forbes notes these sets can eat up as much power as a refrigerator does.)LEDs also do not use mercury in their IBM thinkpad t43 battery manufacture, so they are safer and easier to recycle.

Specific sets mentioned by Forbes:

? Sony Bravia KDL-EX700. A sensor can turn off the picture while leaving the audio on if you just want to listen in from the kitchen.

? Sharp LC-LE700UN. Uses less power than any other TV of its size on the market, at an average cost of less than $14 a year.

? Samsung UNB8500. Dims LEDs behind the darker sections of the screen when they aren’t in use, saving energy but maintaining image quality.

Additional brands and models employ similar techniques of Dell inspiron 1526 battery , so shop carefully and read the fine print if energy consumption is a major concern when you buy a new TV. But always make sure you take a look at the set with its energy-saving features turned on in person before you decide to buy. An energy-saving set that you end up hating because the picture is ugly is a bigger waste in the long run.

see more : Sony laptop battery

The life of lithium batteries may be extended : temperature

A lithium-ion battery is 300-500 discharge / charge cycles total. The laptop battery prefers partial discharges rather than full discharges. Frequent full discharges should be avoided whenever possible. In contrast, the battery should be recharged more frequently, or use a larger battery. The memory effect is not an issue, even if carried out unscheduled charges.

Although lithium-ion batteries do not suffer performance losses because of the memory effect, show powerbook g4 battery with a built-in fuel gauge one of engineers known as “digital memory”. This is the reason: Short discharges with appropriate charges will not yield the periodic calibration needed to synchronize the fuel gauge with battery level.

A purposely conducted full discharge followed by recharging after 30 charges corrects this problem. Downloading the inspiron 6400 battery until the shutoff of the device meets this criterion. If this is ignored, the fuel gauge is crucial unreliable. (Find out more in ‘Choosing the right battery for portable computers’, Part Two).

Aging of lithium-ion batteries is an issue that is often neglected. Lithium-based inspiron 6000 battery have a life expectancy of 2 to 3 years. The clock starts ticking as soon as the battery leaves the factory. The capacity loss is already reflected by a higher internal resistance caused by oxidation. Finally, the cell resistance reaches a point where he can give the stored energy is no longer, even if the battery is fully charged.

The increase in internal resistance also applies to lithium-ion batteries with cobalt-based, a chemical which is used in laptops and cell phones used. A smaller energy density lithium-ion vgp bps2c vgp bps2a batteries based on manganese, which is also known as spinel battery that holds in the internal resistance in a lifetime, but loses capacity due to the chemical decomposition.

The speed of aging of lithium-ion batteries is determined by the temperature and charge state. Figure 1 shows the capacity loss as a function of these two parameters.

Figure 1: Permanent capacity loss of lithium-ion pa3399u 2brs pa3465u-1brs batteries as a function of emperature and charge state.

High charge levels and high temperatures accelerate the permanent loss of capacity. Chemical improvements have the benefits of stored lithium-ion batteries increases.

The artice from: acer battery  Sony battery  Hp battery  dell battery

Charging at high and low temperatures

Rechargeable laptop battery operate in a reasonably wide temperature range. However, this does not automatically allow a charge in the same temperature range. While the use of batteries in hot or cold environment can not be avoided, the users, the conditions during the load somewhat under control. The charge should be strictly carried out at moderate temperatures.

In general, older battery technologies, such as Nickel-cadmium, tolerant loading at extreme temperatures. Nickel-cadmium Apple A1045 Apple A1061 batteries can be recharged with a quick charge within approximately 1 hours. Such a fast charging should be done within the temperature range from 5 ° to 45 ° C. An even narrower temperature range from 10 ° to 25 ° C, however, yields better results.

Charging below 5 ° C caused a reduced Ladekoeffizienten of 0.1 C (one tenth of the capacity). This is in the area where oxygen and hydrogen inside the cell can be reduced. Due to the declining settings at lower temperatures, leading to a too fast charging excessive cell pressure, which can lead to a Zellenleck. Such a Apple A1148 Apple A1175 battery can be charged under these conditions fully before.

Industrial Apple iBook G4 12 inch Battery that require rapid charging at low temperatures, include a thermal circuit to keep the battery in a temperature range to be allowed. As soon as the charging temperature is lower than is produced during the loading process gas, which in turn leads to a warming, and thus improve the loading conditions. The ideal charger automatically adjusts itself so that there is a balance between gas and charging.

Nickel-metal hydrides are less tolerant than nickel-cadmium in terms of the charge at low or high temperatures. Nickel-metal-hydride can not load quickly at temperatures below 10 ° C, nor can they load slowly below 0 ° C. Some chargers are designed so that they Ladekoeffizienten and the ambient temperature change. Price considerations are not allowed to provide Apple PowerBook G4 12 inch Battery battery chargers for consumer electronics with temperature sensors.

At higher temperatures, the charge acceptance of nickel-based Apple PowerBook G4 Battery is drastically reduced. A battery that can hold at room temperature, a medium capacity of 100%, starts at 45 ° C ambient temperature, only 70%, and even only 45% at a temperature of 60 ° C. This highlights the poor performance of some car chargers in the summer!

The artice from: batterymag  batteryblog  laptopbattery

My shoppingg experience buying Dell inspieon E1505 accessories

Two month ago, my Dell Inspiron 6400 Battery failed after its 1 year warranty. So I should buy a new one for my coming holiday in Hawaii. Now I will never shopping in Ebay or Amazon. As you know you buy someone there, and no guarantee of the product, also the money refund is impossible. And you can not cancel the order. So I decide use my paypal to buy the Dell inspiron E1505 battery.

I searched the Inspiron E1505 Battery in google and found search resault. Then I click some of them, after long time comparison I order a battery from http://www.batterymag.co.uk as Its price and 30 days money back and one year quality warranty. After 7days I recevied the battery and below is my battery using experience:

I was getting three red flashes and one green flash continuously on the battery light on the lower right side of the lid which according to the manual means defective battery which turned out to be true. I trashed the cheap Latitude D820 Battery (which I noticed was rated at 5200 ma vs the rating of 7200 on the Amazon battery)because I did not save the receipt. I am thrilled with this battery which is giving me about 3 hours before needing a charge, and charges to 100% overnight with no problem.

It works well with my 1505. I got 4 + hours out of this per charge. Saw some other people having problem with recognizing the batteries. When I was doing research for purchasing a replacement Latitude D620 Battery, I came across a lot of discussions online about Dell laptop not recognizing batteries. I wonder if that is a common issue with Dell. Luckily, mine has no problem.

Everything is good. As long as it can last 1 year or so, It would be worth the money spent.

Owned for 5+ months. I am pleased with this Latitude D830 Battery I was glad to find it at a price much lower than Dell was selling it. It was a great buy. Product came right when I needed it and has worked great for me! Good battery life.

In all The battery is compatible and works well with the Vostro 1000. Instructions are confusing. I simply installed and followed good battery practices – completely charged the battery, completely drained the battery, then repeated.

In the end I saw some New batteries in this online shopping are in 35% price discount as the Merry Christams Day coming. I list them below with the brands:

Apple : A1245 Battery,A1189 Battery,Apple A1185,Apple A1175 ,Apple A1045 Battery,A1078 Battery,Apple A1079,Apple A1062,Apple M7385,  Apple A1057 Apple iBook G4 12 inch battery Apple iBook G4 14 inch battery

Dell: Dell D5318 Dell C1295 Dell U4873 Dell Y9943 Dell G5260 Dell PC764 Dell hd438 Dell KD186 Dell Y9943 Dell RN873 Dell TC030 Dell Inspiron 1721 Battery Inspiron 1521 Battery Dell Inspiron 1525 Battery Dell Latitude D520 Battery Dell Latitude D630 Battery Dell Latitude D820 Battery Dell XPS M1530 Battery

HP & compaq: Pavilion DV5000 Battery HP Pavilion dv8000 Battery HP HSTNN-LB31

IBM: IBM ThinkPad R61 Battery IBM ThinkPad T61 Battery IBM Thinkpad X60 Battery IBM Thinkpad X60S Battery LENOVO 40y6795 Lenovo 40y6797 IBM 40Y6799 IBM 40Y6793

Sony: PCGA-BPS2A VGP-BPS5A VGP-BPS4A Sony VGP-BPS8 VGP-BPS9 VGP-BPS9/B Sony VGP-BPL9A Sony VGP-BPS9A/B

In the end I hope you can find the best battery there as me.

The Artices via :Lenovo laptop battery ,Sony Battery,HP&COMPAQ,DELL battery,Apple Battery

Experts Call for home power outlet qualified products to choose 3C logo(C)

Batterymag.co.uk. Bo can come from different areas of security research and development of new socket converter. According to FENG Song-yun introduced, starting with the basic structure of the size of the outlet socket to ensure the security and reliability, correct insertion inspiron 6400 battery, to prevent dislocation can be inserted, and must be inserted very reliable, and repeated use can not be loose, in addition to a certain power according to demand strict control, can not enough power can not be overload.

First of all, Bo, latitude d630 battery can come through several products use patented technology to ensure the security and reliability, such as automatic high-voltage protection, Lightning Surge Protection (high-power large appliances to produce a protective boot time), electronic information security systems xps m1530 battery (anti – outside information interference), anti-theft of electricity, electric shock and so on. In addition, the Division can come to Bo recently promoting “multi-power control” technology that each jack has a switch with vpg-bps9 battery, a single socket can only switch the power button corresponding to the free-pass, no electricity and often without interpolation, pulling electrical plugs; Using this technology, there is a new socket “automatic timing converter” function, can guarantee such as inspiron 1525 battery every morning 7:30 start, 18:30 shutdown, safe and energy-efficient.

And the ends, our best hot batteries blog here: batteryblog,dell battery,acer battery,Hp battery