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Laptop Battery.


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5 replies to this topic

#1 Student01

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Posted 18 August 2010 - 07:22 PM

Hello,

So I had experience with Laptops and found out that the batteries on the laptops can die within 2 or 3 years or so.

What happens if you leave your battery in the laptop and never take it out? (Even when it's fully charged and have your AC adapter plugged in)

And is there a way to keep the batteries life longer?

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#2 ReviverSoft

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Posted 18 August 2010 - 08:27 PM

What happens if you leave your battery in the laptop and never take it out?
As such, nothing. Over time, it (very) slowly starts to discharge.

Even when it's fully charged and have your AC adapter plugged in
Once the battery is charged, the charging circuit is automatically cut off. No issues there.

is there a way to keep the batteries life longer?
Full recharge cycle - Try to run off the battery (drain it) till the last few minutes, ensuring a complete discharge.
Once that's done, you can start charging it.

found out that the batteries on the laptops can die within 2 or 3 years or so.
Yep, all rechargeable batteries have a maximum no. of recharge cycles, beyond which they fail to hold any charge.
[ Recharge Cycle = Charging and Discharging cycle ]
Depending on the recharge cycle and type of usage, it should last any anywhere from 2-5 years.

Edited by ReviverSoft, 18 August 2010 - 08:40 PM.

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#3 Student01

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Posted 18 August 2010 - 09:58 PM

Try to run off the battery (drain it) till the last few minutes, ensuring a complete discharge.
Drain it completely? I heard from a friend that draining the battery can degrade your battery even faster?

My battery is a Lithium-ion battery, and I saw this on wikipedia.org
"Lithium-ion batteries should be kept cool. They may be stored in a refrigerator."
Is this...????? what? put it in a refrigerator?

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Edited by Student01, 18 August 2010 - 09:58 PM.

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#4 JonM33

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Posted 18 August 2010 - 10:51 PM

If it is plugged in and the battery is already charged then it will run off of AC power and not the battery. It does no harm to leave the battery installed.

Regarding making it last longer, try not to use the battery all the time. There's nothing you can do to avoid it losing it's charge. It will happen eventually. Fortunately they are under $100 for a new one on Ebay (for most laptops).

No, I wouldn't go sticking laptop batteries inside a refrigerator.

#5 ReviverSoft

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Posted 19 August 2010 - 09:29 PM

Drain it completely? I heard from a friend that draining the battery can degrade your battery even faster?
You get a lot more from a single charge, after full recharge cycles.

Drain it completely = Shutdown the PC, with a few mins. to spare. :thumbsup:
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#6 dc3

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Posted 19 August 2010 - 10:23 PM

Actually, you don't want to drain the battery. The following information came from this site.

"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 battery more often or use a larger battery."

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