Battery
Description Spare part number
Battery (3-cell, 48 Wr) L11119-855
Before removing the battery, follow these steps:
1. Shut down the computer.
2. Disconnect all external devices connected to the computer.
3. Disconnect the power from the computer by rst unplugging the power cord from the AC outlet and then
unplugging the AC adapter from the computer.
4. Remove the optical drive (see Optical drive on page 33).
5. Remove the bottom cover (see Bottom cover on page 37).
Remove the battery:
1. Remove the three Phillips M2.0×8.0 screws (1) that secure the battery to the computer.
2. Remove the battery from the computer (2).
Reverse this procedure to install the battery.
When installing the battery, be sure to install screws in the proper locations. The following image shows the
locations around the battery that have holes but do NOT require screws.
40 Chapter 6 Removal and replacement procedures for Authorized Service Provider parts