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A little battery query about the PBG4
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Forum Regular
Join Date: Aug 2002
Location: London
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Offline
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Sorry to drag you all back from your MBP highs.
Recently I have been getting poor batter life from my PB G4 1.67 15" SD. I notice that it runs down fairly quickly and has a maximum life of around 1.5 hours. In the past I have been getting 2+ hours easily. On checking the System Profiler I notice that the full charge is saying 2537mAh. I seem to remember it used to say over 4000mAh. It has done 63 cycles.
What is weird is that earlier today when I checked the system profiler said something like 4000mAh for the full charge capacity but yesterday it was saying 2000 odd.
Any ideas?
I have also been having a crash when waking from safe sleep. Computer is running, Power button works but neither keyboard, trackpad or wireless keyboard and mouse work. I also notice that the Airport indicator is not showing any signal when this happens.
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David.
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Forum Regular
Join Date: Feb 2006
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Is there a way to do a "battery drain" or something like on the batteries to try to get them to reset? I know a couple of the laptops I work with have a function similar to this, which resets the battery charge, usually helping it Not sure about the macs though.
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Forum Regular
Join Date: Aug 2002
Location: London
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Ok. A little further information.
I have not done anything to my Powerbook since the last post except sleep it for about 10 seconds. System Profiler now says it has a full charge capacity of 4444mAh. Remaining capacity has also gone up but the draw looks roughly similar (around -1400mA)
Maybe a system profiler problem in 10.4.5?
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David.
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Fresh-Faced Recruit
Join Date: Dec 2005
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i just downloaded a powerbook battery update patch about a month ago. That might help I do remember reading somewhere possibly on slashdot that there was a way to reset or your battery. I have a similiar problem with my battery on my powerbook.
G.
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Professional Poster
Join Date: Jan 2002
Location: London, UK
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Yes, have you run the PowerBook G4 battery updater - it will be in your /Applications/Utilities/ folder if you have downloaded it already. It will tell you if your battery can be updated. If it can, then this will probably solve your problems with the battery.
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