Battery packs
Power
7–15
Step 1: Charging the battery pack
A battery pack can charge whether the computer is off or in use,
but it will charge faster when the computer is off.
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WARNING:
Do not charge the computer battery pack on board
aircraft. Charging the battery pack may damage aircraft electronic
systems.
To charge the battery pack:
1. Insert the battery pack into the computer.
2. Connect the computer to an AC outlet, optional power
adapter, or optional expansion product, and then plug the
adapter or device into external power.
The battery light on the computer is turned on.
3. Leave the computer plugged into external power until the
battery pack is fully charged.
The battery light on the computer is turned off.
