Calibrating A Battery Pack - HP COMPAQ 309971-002 Hardware Manual

Battery Packs
■
Plug an optional Aircraft Power Adapter into the notebook
and into the in-seat power supply available on some
commercial aircraft. (The optional Aircraft Power Adapter
can run the notebook but cannot charge a battery pack.)
■
Dock the notebook in an optional Port Replicator.
When a Charged Battery Pack Is Available
To resolve a low-battery condition when a charged battery pack is
available, turn off the notebook or initiate Hibernation, insert a
charged battery pack, and then turn on the notebook.
When No Power Source Is Available
To resolve a low-battery condition when no power source is
available, initiate Hibernation, or save your work and shut down
the notebook.
When the Notebook Cannot Exit Hibernation
To resolve a low-battery condition if the notebook lacks the
power to exit Hibernation:
1. Insert a charged battery pack or connect external power.
2. Exit Hibernation by briefly pressing the power button.

Calibrating a Battery Pack

To calibrate a battery pack manually, follow the instructions in
the following sections. To initiate an unattended calibration in an
optional Universal Charger, follow the instructions included with
the charger.
3–18 Hardware Guide