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Battery Tests

During their working life, rechargeable batteries in a laptop are regularly recharged after they were drained. The loading is done by applying external electric current supplied through an adopter.

Most laptops today are powered with Batteries Lithium-ion batteries. Rechargeable batteries have a tendency to self-discharge. That means they discharge even when not actively used. This process of self-discharge at high speeds temparature. It is not advisable to leave them idle for long, due to their poor shelf life.

Under good conditions, a lithium ion type can provide about 500 cycles of discharge / charge, equivalent to 2 to 3 years of service, from the time the Aspire 5610 battery goes through the production process. As a battery is put into regular use, loss of capacity is the result of increased internal resistance caused by cell oxidation.

Finally, the resistance becomes so high that the Sony VGP-BPS8A battery can no longer provide the energy needed for the laptop, even if the energy is always present in the battery. This usually marks the end of the useful life of a Dell Vostro 1400 battery. It is believed that there is no remedy to restore the capacity of the battery when it is worn. Heating of the battery Apple A1039 can only temporarily improve performance and can not be considered a long term solution.

There are many free utilities available on the Internet and software developers to help test the state of Batteries. A typical utility constantly revises its estimates of remaining life of the Apple a1175 battery, by measuring the time it takes to sink it. These services are particularly useful when Batteries read 100 percent when fully charged, but works only a few minutes before running out completely. A power center is accurately show a 100 per cent, but it would also show about 5 minutes of time left.

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The right Way to Windows 7 & Vista laptop battery charge and discharge

In Windows 7, Microsoft introduced a new power options , by CPU and other devices adjusting to reduce energy consumption and increase battery life. But in addition , for laptop batteries the use of , which pay attention to it?

vista-battery-power

Q: Laptop battery needed to wait until power all used up and then recharge your batteries?

A: In today ’s lithium batteries age, the idea is entirely a misunderstanding. This principle is only applicable to the previous . For lithium batteries , the ran out batteries and then time full do not have any role , even or harmful. Because lithium does not exist so-called ” buffer effect. ” Laptop battery life in general only with man-made damage to the or natural lifespan. Basically, the battery life are fixed 300- 600 charge and discharge times , for most people, about you can use 2-4 years.

Q: When the power connector on when the need to disconnect the battery ?

A: Many laptop users have asked this question , the answer is the need does not need , depending on actual usage. is connected DC power supply without remove the battery the battery and without any harm, because the Dell Inspiron 6400 battery again is fully charged after the will not accept any power injection , power will all of direct shift notebook power supply system . But when the laptop high-speed operation , the internal heat when is best to remove the battery , otherwise, it is harmful .

Q: So how should the right to the laptop battery it?

A: should be avoided until 0% battery light runs out recharge , because this will give the HP Pavilion DV6000 battery a lot of pressure resulting in damage. More feasible approach is in electricity consumption the remaining 20-30% about when charge .

from the phone the battery Experience with , many people may think that laptop battery should all the run out of recharge . But in fact the notebook lithium batteries in the ” light / charge ” number of areas is a limited , and all used up and then charging will shorten battery life.

At the same time , the battery VGP-BPS9A/B should relatively dry areas be charged , Also note that the heat problem, which is batteries the enemy of .

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New battery can not be fully-charged

New battery can not be fully-charged

Generally the new battery can 100% fully discharge-charge. Last month I buy a latitude d820 battery replacement, as my work dont need to take the notebook out, so I use the notebook with the AC adapter and I store the battery in my drawer. Last Friday, I want to visite my customer with my notebook and show some business projects. So I charged my battery for a whole night, but I only see my battery 70% capacity state charged next morning. My battery is really new, why it can not be 100% charged?

So I query the battery expert Jack Smith that the reason “Why new battery can not be fully charged?”. He said that : after the laptop battery not use for a long time, the battery charge must in the low current in the right system power option. And then he give me some adviese to set the power Option. Now I introduce the tips for my readers step by step with detail photos.

A .windows xp system:

1) Go to Start/Control Panel/Power Options and look for the “Alarms” tab.

2) Choose Low Dell CF623 battery alarm and critical battery alarm to make the alarm operation to no operation untick the two boxes(see below picture)

3) Let it discharge the battery till the laptop automatically off.

4) Charge the Dell D820 battery again.
Attention:Do as below:

B: Windows vistar system:

1) Go to Start/Control Panel/Power Options/Edit Plan Settings /Battery/Low battery action/Do nothing.

2) Let it discharge the laptop battery till the laptop automatically off.


3) Charge the battery again.

In the end if you still cant fully charge your laptop battery, you can calibrate the battery and then use the battery fresh program to refresh your battery to calibrate the battery charge-discharge time.

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Laptop battery cant charge

Laptop battery cant charge

Hi guys, maybe we always face this situation: you own a Inspiron 6400 notebook for your business and work. you have finished work which must be reviewed by your customer or BOSS tomorrow, you accidently left your laptop in sleep mode and the inspiron 6400 battery discharged completely, then you charge your battery with AC charger, aslo your notebook OS reports that it is charging. After one night, you want to take your laptop to office, but the GD761 battery shows it is at 0% state-of-charge.

You try to charge it many times, but not work, that means your laptop battery cant charge. Why your laptop battery cant charge, it is caused by your laptop or your laptop battery or your AC adapter?

First : Try cleaning the contacts metal on the battery. Ensure that your notebook’s power adapter connect the power, another paragraph has been connected with the notebook, and if the problem is not resolved. Would suggest that you remove the KD476 battery power adapter only through your computer.

If you can not restart the computer, it should be a problem with power adapter, I suggest you replace the adapter.

Also if your battery is very hot when charging, it maybe cant charge. You’d better take the GD761 battery out of laptop. After 1 hours, the battery temperature lower, then installed the battery to the laptop and charging.

There will be a large voltage electricity when charging the battery and plug in/out battery. The interface client often spark. In that time it is very easy to break the a1189 battery and mainborad. Generally the laptop battery cant charge after too many plug in/out times. So you should turn off your laptop when plug in/out battery.

The laptop battery also have a automatic battery protection CMOS chip to prevent over-discharge and other wrong operation. Some times the CMOS chip will automatically start the automatic protection and lock the battery to forbid charging. So you must store your battery in a cool dry area for about 3-5 days to unlock the battery. If it is cant work you must send your battery to repair center or change a new laptop battery.

Usually you must calibrate your battery every two months. You will find some useful info about How to calibrate your laotop battery here.

Please notice this : Take care of your battery, dont over charge-discharge your battery too many times. You’d better charge your battery at about 20% state-of-charge and store it at about 40% stat-of-charge.

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