Battery
Description Spare part number
3-cell, 55-WHr, 4.8-AHr, Li-ion battery 916814-855
Before removing the battery, follow these steps:
1. Shut down 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 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 bottom cover (see Bottom cover on page 29).
Remove the battery:
1. Remove the seven Phillips PM2.0×4.7 screws (1) that secure the battery to the keyboard/top cover.
2. Remove the battery (2).
Reverse this procedure to install the battery.
Component replacement procedures 31