Laptop battery consumption

Steve yorvik.ubunto at googlemail.com
Fri Jan 22 10:49:17 UTC 2010


On Fri, 22 Jan 2010 07:42:02 -0000, Patton Echols <p.echols at comcast.net>  
wrote:

> On 01/20/2010 06:37 PM, Andrew Farris wrote:
>> On Wed, 2010-01-20 at 22:29 +0000, mdovell at comcast.net wrote:
>>
>>> One thing I like on Ubuntu is it gives me more specific information on
>>> my laptop battery. Unfortutatly it is now down to 66%-75% range in
>>> terms of power. Is there any way to recalibrate batteries in terms of
>>> making them perform longer? I've heard some suggest you have it
>>> running with very little and drain it and then recharge..does this
>>> sound right?
>>>
>>
>> afaik, it isn't possible to re-condition a laptop battery (as I believe
>> laptop batteries are mostly/all Lithium batteries). I believe NiCd and
>> NiMH batteries can be reconditioned as you described, but unfortunately
>> for lithiums... once capacity is gone, it's gone. Though, I do believe
>> that charging till it's full, and discharging till it's empty is
>> supposed to help slow the decay of the battery's capacity....but don't
>> quote me on it.
>>
>>
> Uhh, not for Lithium Ion batteries, exactly the opposite.  From this
> page at Battery U http://www.batteryuniversity.com/parttwo-34.htm
> (Thanks for the link Steve, I could not remember where I had read it.)
>
A very good read for anybody with laptops, cameras, ipods, or anything  
else with rechargeable batteries.

-- 
Steve




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