Hey folks. I just bought a PowerBook G4 off of craigslist today. 1.67GHz G4 processor, 15" screen, etc etc. The battery shows 99%, and when I unplug it I can count one Mississippi, two Mississippi, three Mississippi, four.. oops, it's dead. In the menu bar I can see it recognizing that it's switched to battery a split second before the screen goes black. An excerpt from System Profiler, leading me to believe the battery is fine: Battery Installed: Yes First low level warning: No Full Charge Capacity (mWh): 3615 Remaining Capacity (mWh): 3587 Amperage (mA): 0 Voltage (mV): 12494 Cycle Count: 274 Any ideas?