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ibook g4 battery not seeing full battery capacity

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Hi all.

I bought a new battery for my iBook G4 and although on the battery it shows 5200mAh OS X is only seeing 4222 (with a cycle count of 4). 

Same with coconut battery.  It registers the original battery capacity at 4400mAh, with a maximum capacity of 4222.


any ideas?

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  • 3 weeks later...

An iBook battery that is sold "new" these days is going to be new old stock. If your's had 4 cycles and you didn't use it, it almost certainly wasn't new old stock, either.


However that may be, the cells have deteriorated, and you don't have a 5200mAh battery. 


Ah the joys of old laptop batteries!

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