[CentOS] Battery condition tools CentOS/Dell

Jake Shipton jakems at hotmail.co.uk
Thu Aug 6 15:44:51 UTC 2009


On 06/08/09 16:21, Robert Moskowitz wrote:
> Johnny Hughes wrote:
>    
>> Anne Wilson wrote:
>>
>>      
>>> My laptop is four years old, and yes the battery is aging.  When I bought the
>>> laptop there were instructions that if a laptop is used mainly on mains, you
>>> should run it on battery, say once a month or so, until you are down to 10%.
>>> It was claimed that the periodic discharge in this way actually lengthens the
>>> life-span of the battery.
>>>
>>> Anne
>>>
>>>        
>>
>> Lithium Ion type batteries do not have the Memory issue of older battery
>> types, where you need to discharge fully to cycle it from low to high to
>> build capacity.
>>
>> It is better that you never discharge a Lithium Battery if possible.
>>      
> Except recent kernels (or something else) have interferred? with AC
> state, and I will be running on battery, even though the OS thinks it is
> on AC, so I am NOT watching how long I was on battery and all of a
> sudden, POOF!  System off....
>
> GRRR.  Maybe this new 2.6.18-128.1.14.el5 will get it working right again...
>
>
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>
>    
Although that last bit made me laugh. I hope for your sake it gets 
sorted soon :-) Could cause HDD damage instant power off's are never good.

-- 
Jake




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