Battery Performance Question

Posted:
in Genius Bar edited January 2014
Quick one: I just bought a used G4 12" powerbook and the battery (which was supposed to be "stellar") only holds a 45 min charge.



When I plug it in to charge though, the charge meter shows that it can recharge the whole battery in about 30 minutes.



That seems really quick, so here's my question: as a battery ages, does the time to charge the remaining capacity (from fully drained) reduce also?



What I'm really worried about is potential issues with the charging system in general, which I imagine means a new logic board?



Thoughts?
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