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Old 06-21-2011, 03:20 PM   #1 (permalink)
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Default Battery will not charge past 30%, and is lowering by the day.

I have tried this battery, but with another charger. It would persist to not charge past 30%. I tried with a different battery, with my charger, and it would work properly. I am wondering as to wether or not I can fix the battery, or if there is some sort of bug in the system. If not, I'll get a new laptop battery. The model is an Acer Aspire 5551-A.
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Old 06-21-2011, 03:39 PM   #2 (permalink)
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Default Re: Battery will not charge past 30%, and is lowering by the day.

Batteries go bad over time, no fixing it, you will need to purchase a new one.
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Old 06-21-2011, 03:42 PM   #3 (permalink)
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Default Re: Battery will not charge past 30%, and is lowering by the day.

Some Batteries have a 'memory'. They need to be fully discharged (unlikely you would do that) and then fully charged.

Constant partial discharge and partial recharge causes a 'memory effect' in some types of rechargeable Batteries, thus it gets 'stuck' at 30%.
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Old 06-21-2011, 03:47 PM   #4 (permalink)
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Default Re: Battery will not charge past 30%, and is lowering by the day.

Quote:
Originally Posted by 4P_Bulldozer View Post
Some Batteries have a 'memory'. They need to be fully discharged (unlikely you would do that) and then fully charged.

Constant partial discharge and partial recharge causes a 'memory effect' in some types of rechargeable Batteries, thus it gets 'stuck' at 30%.
Newer Li-ion batteries don't have a memory effect, thought. That will only be on Ni-Mh or Ni-Cd batteries.
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Old 08-21-2011, 07:47 PM   #5 (permalink)
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Default Re: Battery will not charge past 30%, and is lowering by the day.

Yes, it seems that it is a battery issue, and it will probably need to be replaced. You can also download the BatteryCare app for your future laptop batteries; which optimizes the usage and performance of the battery, and monitors the battery's discharge cycles to help prolong it's life.
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