3–14 Hardware and Software Guide
Power
Battery Pack
Charging a Battery Pack
To prolong battery life and optimize the accuracy of battery
charge displays:
■ If you are charging a new battery pack:
❏ Charge the battery pack while the notebook is connected
to external power through the AC adapter.
❏ When you charge the battery pack, charge it fully.
■ 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.
A battery pack inserted in the notebook charges whenever the
notebook is connected to external power through an AC adapter
or through an optional docking device, or through an optional
combination power adapter.
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WARNING: Do not charge the notebook battery pack onboard
aircraft. Charging the battery pack may damage aircraft electronic
systems.