Running On Battery Power; Removing A User-Replaceable Battery - HP 455 User Manual

Running on battery power

When a charged battery is in the computer and the computer is not plugged into external power, the
computer runs on battery power and the display brightness decreases to conserve battery life. The
battery in the computer slowly discharges when the computer is off and unplugged from external
power.
Computer battery life varies, depending on power management settings, programs running on the
computer, display brightness, external devices connected to the computer, and other factors.

Removing a user-replaceable battery

Your computer includes a user-replaceable battery.
WARNING!
the computer, a replacement battery provided by HP, or a compatible battery purchased from HP.
CAUTION:
information. So before removing the battery, save your work and initiate Hibernation, or shut down the
computer through Windows.
To remove the battery:
1. Turn the computer upside down on a flat surface.
2. Slide the battery release latch (1) to release the battery.
NOTE:
3. Pivot the battery (2) upward and remove it (3) from the computer.
38 Chapter 6 Managing power
To reduce potential safety issues, use only the user-replaceable battery provided with
Removing a battery that is the sole power source for the computer can cause loss of
The battery release latch automatically returns to its original position.