Power

7–6 Power
Battery packs
Charging a battery pack
To prolong battery life and optimize accuracy of battery charge
displays:
Å
WARNING: Do not charge the computer battery pack on board
aircraft. Charging the battery pack may damage aircraft electronic
systems.
■ If you are charging a new battery pack:
❏ Charge the battery pack while the computer is plugged
into external power through the AC adapter.
❏ When you charge the battery pack, charge it fully before
turning on the computer.
■ If you are charging an in-use battery pack:
❏ Allow the battery pack to discharge to about 10 percent of
a full charge through normal use before charging it.
❏ When you charge the battery pack, charge it fully before
turning on the computer.