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PowerBook G4 (15-inch FW800) Take Apart Battery
Procedure
Warning: If the computer has been recently operating, allow it to cool down before
performing this procedure.
1. Shut down the computer.
2. Disconnect the power cord and any other cables connected to the computer.
3. Place the computer face down on a soft cloth.
4. Insert a coin in the battery lock slot and turn it one quarter turn clockwise. The battery
should raise up slightly. Lift the battery out of the battery bay.