Battery
Table 5-2 Battery description and spare part number information
Description Spare part number
2-cell, 37-WHr, 4.96-AHr, Li-ion battery 824536-856
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 23).
Remove the battery:
1. Disconnect the battery cable (1) from the system board.
2. Release the speaker cables from the retention clips/routing channels (2) built into the front edge of
the battery.
3. Remove the four Phillips M2.0×3.0 screws (3) that secure the battery to the keyboard/top cover.
4. Remove the battery (4).
Reverse this procedure to install the battery.
Component replacement procedures 25
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