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Advanced Controls
Battery Information 3 - 29
3
Battery FAQ
How do I completely discharge the battery?
Use the computer with battery power until it shuts down due to a low battery.
Don’t turn off the computer by yourself even when you see a message that in-
dicates the battery is critically low, just let the computer use up all of the bat-
tery power and shut down on its own. Disable the
Power Options functions
in the Control Panel , especially any Alarms ( unclick the tickboxes) and
Schemes (change all the settings to Never ). As the battery nears the end of its
life save and close any critical files.
How do I fully charge the battery?
When charging the battery, don’t stop until the LED charging indicator light
changes from orange to green.
How do I maintain the battery?
Completely discharge and charge the battery at least once every 30 days or af-
ter about 20 partial discharges.
Conserving Battery Power
The LCD display consumes a lot of power, so lowering the brightness level
will save power. Different applications and external devices consume battery
power even when they are not being used (
see the sidebar note for further
recommendations on battery conservation ).
Conserving Battery
Power
To conserve battery
power:
Close modem or com-
munication applica-
tions when they are not
being used.
Remove any unused
PC Cards from the
computer (PC Cards
quickly use up battery
power even if the sys-
tem enters sleep
mode).
Disconnect any unnec-
essary external devic-
es.