Power
Hardware and Software Guide 3–19
How to Calibrate
To calibrate a battery pack, you must fully charge, fully
discharge, and then fully recharge the battery pack.
Charging the Battery Pack
Charge the battery pack while the notebook is on. To charge the
battery pack:
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WARNING: Do not charge the notebook battery pack onboard
aircraft. Charging the battery pack may damage aircraft electronic
systems.
1. Insert the battery pack into the notebook.
2. Connect the notebook to external power through the
AC
adapter or an optional combination power adapter. (The
notebook battery light is on as the
battery pack charges.)
3. Leave the notebook connected to external power until the
battery pack is fully charged. (The notebook battery light is
turned off.)
Discharging the Battery Pack
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CAUTION: To prevent loss of work, save your work before beginning
an unattended discharge procedure.
The notebook must remain on throughout the discharge
process. The battery pack can discharge whether or not you are
using the notebook, but the battery pack will discharge faster if
the notebook is in use.
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