HP dv8000 - 403809-001 Notebook Laptop Keyboard - Battery Charging and Health

7–4 Power
Battery packs
Charging a battery pack
To prolong battery life and optimize the accuracy of battery
charge displays:
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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
using 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.
A battery pack inserted in the computer charges whenever the
computer is plugged into external power through an AC adapter,
an optional docking device, or an optional power adapter.