Laptop Battery Usage

[Raffi Khatchadourian]

Scot L. Harris wrote:

>On Tue, 2004-11-30 at 10:13, Terry R. Grier wrote:
>  
>
>>I might be crazy... but as an ex-windows(xp) user with this laptop
>>Last night .. I used the laptop with battery and it appeared that I got 
>>almost an extra hour of it.
>>
>>Does Fedora have anything to do with it ?  is that possible.. or ... I 
>>am just crazy or got lucky?
>>
>>Thanks
>>T
>>    
>>
>
>Your crazy.  :)
>
>Battery life depends on a number of things.  How old is the battery?  Do
>you regularly use it until it is discharged or do you keep it in a
>docking station or on AC power all the time?  Does your laptop utilize
>speedstep to adjust CPU speed, fan speed, etc.?  Do drive the CPU at
>100% all the time using setiathome or something similar?  Do you have
>apm or acpi enabled?
>
>All of these things will vary how long a battery will last.  I routinely
>run my laptop on battery alone until it down to 15 or 12 % before
>plugging in the AC power.  This keeps the battery from getting a memory
>and degrading.  I originally kept the laptop in a docking station almost
>all the time.  That battery quickly was reduced to a run time of less
>than 30 minutes.  The new battery I routinely get 2.5 to 3 hours of run
>time and have for close to a year now.  
>
>
>  
>
Yes, but the power management system under windows decides when to turn 
off your laptop. I would suppose that a laptop running linux without 
power management software would run until all power is depleted.
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