Satellite User's Guide

104
Mobile Computing
Monitoring battery power
TECHNICAL NOTE: The computer drains the battery faster at
low temperatures. Check your remaining charge frequently if
you are working in temperatures below 50 degrees
Fahrenheit.
The computer calculates the remaining battery charge based
on your current rate of power use and other factors such as
the age of the battery.
Conserving battery power
How long a fully charged battery pack lasts when you are using
the computer depends on a number of factors, such as:
How the computer is configured
How much you use the display panel instead of an external
monitor
How much you use the hard disk and other drives
Whether you use any optional devices to which the battery
supplies power, such as a PC Card
Where you are working — since operating time decreases at
low temperatures
What to do when the battery runs low
When the battery runs low you have these options:
Plug the computer into a live AC outlet and recharge the
battery.
Replace the battery with a charged spare, if you have one (see
“Changing the main battery” on page 105).
Save your work and turn off the computer.
If you don’t manage to do any of these things before the battery
completely runs out of power, the computer automatically enters