Scotty,

I am looking for a high quality battery for my PowerBook G4. Previous purchases have resulted in batteries that keep a charge for about one hour and last for less than a year. The last one I bought at the online Apple store. Any advice.
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This is a commonly asked questions. For a computer that is passed it’s manufacturing cycle by a year, in this case several years, it’s not a good idea to purchase an Apple manufactured battery because there’s a very good chance the battery would be at least a year old already.

I recommend purchasing a battery from batterytech.com. They manufacture batteries for older computers. I’ve had several clients purchase from them and seemed happy.