Compaq Presario,Presario 18XL390 Supplementary Manual page 57

Problem
Battery charge does
not last as long as
expected.
Battery pack is warm
to the touch after
charging.
Battery pack operating
time is far less than
the documented
average operating
time.
P N M
RESARIO OTEBOOK AINTENANCE AND
Presario 1800/1800T Series
Models: XL280, XL380, XL381,
and XL390
Battery Pack/Gauge
Probable Cause
Battery has partially
self-discharged.
Power management is
disabled.
An external device or PC Card
is draining the battery.
Normal warming has occurred
due to charging.
Power management is turned
off or disabled.
An external device or PC Card
is draining the battery.
Battery pack has partially
self-discharged.
Battery pack is exposed to
high or extremely cold
temperatures.
S G 1800 S
ERVICE UIDE ERIES
Solution(s)
Recharge the battery. Discharge
the battery completely and then
recharge it.
Set a power management level in
Setup.
Turn off or disconnect external
devices when not in use.
No action is required.
Enable power management in
Setup and in Windows Power
Properties.
Turn off or disconnect external
devices when not in use.
Condition the battery pack by fully
charging, fully discharging, then
fully recharging it.
To maintain the charge, leave
battery packs in the Notebook
when it is connected to external
power.
If the Notebook is disconnected
from external power for more
than two weeks, remove battery
packs from the Notebook to
reduce the discharge rate.
Keep the battery pack within the
recommended temperature range
for operation or storage.
Operating Range: 50°F to
•
104°F (10°C to 40°C)
Storage Range: -4°F to 86°F
•
(-20°C to 30°C)
Recharge the battery pack.
T
ROUBLESHOOTING
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