My iBook is almost 3 years old and I think the battery is just dead. It holds a charge of maybe 20 minutes max and it's gotten to the point where I'm just gonna give in a buy a new batterry. Question is: Can I just buy any "14" iBook G4" batterry off of eBay or any site other than from Apple direct(retails $129)? Should I be looking a particular model number for the battery (A1080) or the laptop? I see batterries selling for $80 on eBay.... have u guys done this? I dont want to end up with something that won't work just because I bought it at a non-Apple site... Advice pl?