Maintenance and Service Guide

Battery
Table 6-1 Battery description and part number
Description Spare part number
Battery, 3 cell, 50 Whr, 4.33 Ahr 933321-855
NOTE: HP recommends that the battery power cable be disconnected from the system board before
removing any part. You can disconnect the cable without removing the battery.
Before removing the battery, follow these steps:
1. Prepare the computer for disassembly (Preparation for disassembly on page 32).
2. Remove the bottom cover (see Bottom cover on page 32).
To remove the battery:
IMPORTANT: Removing a battery that is the sole power source for the computer can cause loss of
information. To prevent loss of information, save your work and shut down the computer through Windows
before removing the battery.
1. Disconnect the battery cable from the system board (1).
2. Remove the ve Torx T8 2.5 × 4.0 screws (2).
Component replacement procedures 45