HP ProBook User Guide - Windows XP

2. Insert the battery (1) into the battery bay until it is seated.
The battery release latch (2) automatically locks the battery into place.
To remove the battery:
1. Turn the computer upside down on a flat surface, with the battery bay toward you.
2. Slide the battery release latch (1) to release the battery.
3. Remove the battery from the computer (2).
Charging a battery
WARNING! Do not charge the computer battery while you are onboard aircraft.
The battery charges whenever the computer is plugged into external power through an AC adapter, an
optional power adapter, or an optional docking device.
The battery charges whether the computer is off or in use, but it charges faster when the computer is
off.
Using battery power 77