To begin this repair process first position the Powerbook towards you with the monitor closed, also make sure the laptop is away from anything that can cause a fire, self harm, etc.

Press the battery removal latch located on the right side of the front panel.

Gently slide the battery out. Make sure you place the battery in a safe place where it can also be easily accesible

ALSO NOTE: The keyboard, front pane, and hard drive are connected to the laptop's logic board via a ribbon cable. Lift up slowly on each component with one hand and disconnect the ribbons from their ports on the logic board.