Maintenance and Service Guide

Battery for use in federal models
Description Spare part number
6 cell HP Long Life Prismatic 96 Whr (4.21 Ahr) Li-ion battery 852711-850
Before removing the battery, follow these steps:
1. Turn o the computer. If you are unsure whether the computer is o or in Hibernation, turn the
computer on, and then shut it down through the operating system.
2. Disconnect the power from the computer by unplugging the power cord from the computer.
3. Disconnect all external devices from the computer.
4. Remove the service door (see Service door on page 36).
Remove the battery:
WARNING! To reduce potential safety issues, use only the user-replaceable battery provided with the
computer, a replacement battery provided by HP, or a compatible battery purchased from HP.
CAUTION: Removing a user-replaceable battery that is the sole power source for the computer can cause
loss of information. To prevent loss of information, save your work or shut down the computer through
Windows before removing the battery.
▲ Slide the battery release latches toward each other (1), and then use the tab to lift the battery from the
computer (2).
Reverse this procedure to install the battery.
Component replacement procedures 41