Backup Battery Assembly for the 15-inch (1.67/1.5GHz)Aluminum G4 PowerBook. This assembly is located on top of the optical drive and connects to the logic board with the Backup Battery Cable. This backup battery is compatible with the 1/1.25GHz PowerBook G4 (15-inch FW800) and the PowerBook G4 (15-inch 1.5/1.33GHz).
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