Compaq Armada 4100 Reference Manual page 134

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Battery Problems and Solutions
Problem
Battery charge doesn't
last as long as expected.
Battery packs are warm
to the touch after
charging.
NOTE: Store the battery pack in a cool, dry place when not in
use. High temperatures reduce the life of the battery pack and
cause it to lose its charge more quickly. If you are storing the
battery for less than one month, the recommended storage
temperature is 32 F to 122 F (0 C to 50 C); for no more than
three months, the recommended temperature is 32 F to 104 F
(0 C to 40 C); for an unlimited time, the recommended
temperature is 32 F to 86 F (0 C to 30 C).
Continued
Possible Cause
Battery packs are being
exposed to high
temperatures.
Battery packs are being
exposed to cold
temperatures.
Battery packs have
partially self-discharged.
Battery conservation is
disabled or set to "None."
An external device (such
as a CD-ROM or PC Card)
is draining the battery.
Warming occurs due to
charging.
Solution
Keep computer at a cooler
temperature and recharge
battery pack(s).
Put computer in a warmer
place and recharge battery
pack(s).
Recharge the battery
pack(s).
Press Fn+F7 to set a new
battery conservation level.
Turn off or remove the
external device when it is
not in use.
No action is required.
Troubleshooting 14-5