Power
Hardware and Software Guide 2–26
Calibrating a Battery Pack
This section describes when and how to calibrate a battery pack.
When to Calibrate
Even if a battery pack is heavily used, it should not be necessary
to calibrate it more than once a month. It is not necessary to
calibrate a new battery pack before first use. Calibrate the battery
pack under the following conditions:
â– When battery charge displays seem inaccurate.
â– When you observe a significant decrease in battery run time.
â– When the battery pack has been unused for one month
or
more.
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
A battery pack can charge whether the tablet PC is off or in use,
but it will charge faster when the tablet PC is off.
To charge the battery pack:
1. Insert the battery pack into the tablet PC.
2. Connect the tablet PC to an AC outlet or an optional
HP
90W Auto Adapter. (The battery light on the tablet PC
is
turned on.)
3. Leave the tablet PC connected to external power until
the
battery pack is fully charged. (The battery light on the
tablet PC is turned off.)
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