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You are here: MacNN Forums > Hardware - Troubleshooting and Discussion > Mac Notebooks > Battery capacity, anyone going down?

Battery capacity, anyone going down?
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s4iscool
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Dec 11, 2003, 04:10 PM
 
after the past post on battery capacity, I decided the check again after all the repairs ive had.

im annoyed to see my bat life down by about 30min and the capacity seems to reflect this. Went from 4400 area down to 4100 now.
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krux`
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Dec 11, 2003, 05:44 PM
 
i Just got a battery from apple yesterday, and when i first started it up it was 4400 like you mentioned, but when i calibrated it, it to went to 4100, however its staying at 4100 now, which is ok with me, My other one went from 3900, 3500, calibrated it and it went to 3100
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RodriCO2000
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Dec 11, 2003, 06:09 PM
 
My battery's capacity kept on going steadily down from the time I got it replaced from Apple from 4500 to 43, 42, eventually up to 40. Yesterday it went up to 4450. I don't know what is going on but battery time seems to be about the same.
Its not the fact that life is fact, but that life itself is a fact of the unknown....
     
Person Man
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Dec 11, 2003, 10:22 PM
 
Well, yes, battery life declines over time.
     
wy4tt
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Dec 12, 2003, 12:59 AM
 
mine depends on how i use it while using battery power. if i run it down on low cpu, low screen brightness, no bt, no ap, etc, the capactiy creeps up slowly. but if i put it up on high performance and run the battery down, the capacity drops. she's labile.
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spotze23
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Dec 12, 2003, 08:24 AM
 
the capacity of my battery goes down, too. it was 3400 ah. some days later ist only 3100ah. the powerbook runs only 1 hour while internet browsing and writing. playing games shortens it battery-life daramtically down to 20 mins.

apple sent me a new battery. but it was broken...
     
Zaffir
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Dec 13, 2003, 12:48 PM
 
Last night i put my powerbook to sleep at about 40% battery life. The capacity was at 3.432Ah.

I woke up this morning and when i woke up my Powerbook the battery life was at 8% and the capacity is down to 3.176Ah.

I'm going to do the calibration trick tonight and see how it goes.
     
   
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