Managing Low Battery Levels; Identifying Low Battery Levels; Resolving A Low Battery Level; Resolving A Low Battery Level When External Power Is Available - HP Computer User Manual

Managing low battery levels

The information in this section describes the alerts and system responses set at the factory. Some
low-battery alerts and system responses can be changed using power settings. Changes set using
power settings do not affect lights.

Identifying low battery levels

When a battery that is the sole power source for the computer reaches a low or critical level, the
following behavior occurs:
When in Suspend state, the computer remains briefly in Suspend state, and then shuts down
●
and loses any unsaved information.

Resolving a low battery level

Resolving a low battery level when external power is available

Connect one of the following devices:
▲
AC adapter
●
Optional power adapter purchased as an accessory from HP
●

Resolving a low battery level when a charged battery is available

1. Turn off the computer.
2. Replace the discharged battery with a charged battery.
3. Turn on the computer.

Conserving battery power

Turn off wireless and local area network (LAN) connections and exit modem applications when
●
you are not using them.
Disconnect unused external devices that are not plugged into an external power source.
●
Stop, disable, or remove any external media cards that you are not using.
●
Decrease screen brightness.
●
Initiate Suspend, or shut down when you are not using the computer.
●

Storing a battery

CAUTION:
extended periods of time.
If a computer will be unused and unplugged from external power for more than 2 weeks, remove the
battery and store it separately.
To prolong the charge of a stored battery, place it in a cool, dry place.
NOTE: A stored battery should be checked every 6 months. If the capacity is less than 50 percent,
recharge the battery before returning it to storage.
Calibrate a battery before using it if it has been stored for one month or more.
22 Chapter 5 Managing power
To reduce the risk of damage to a battery, do not expose it to high temperatures for