Low-Battery Conditions - HP Pavilion DV4000 Hardware And Software Manual

Power Meter displays battery status in both percentage and time:
The percentage indicates the amount of charge remaining in
the battery pack.
The time indicates the approximate running time remaining
on the battery pack if the battery pack continues to provide
power at the current level. For example, the time remaining
will decrease if you start playing a DVD and will increase if
you stop playing a DVD.

Low-Battery Conditions

Identifying Low-Battery Conditions
When a battery pack that is the only power source for the
notebook reaches a low-battery condition, a text warning message
is displayed, and the battery light blinks.
If a low-battery condition is not resolved and the amount of
charge remaining in the battery pack continues to drop, the
notebook eventually enters a critical low-battery condition.
When the notebook enters a critical low-battery condition:
If hibernation is enabled, the system initiates hibernation.
Unsaved work may be lost.
If hibernation is disabled, the notebook remains briefly in
standby, and then shuts down. All unsaved work is lost.
Hibernation is enabled by default. To verify that hibernation is
enabled:
1. Select Start > Control Panel > Performance and
Maintenance > Power Options > Hibernate tab.
2. Be sure the Enable hibernation check box is selected.
Hardware and Software Guide
Power
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