Battery
Description Spare part number
4-cell, 70-WHr, 4.55-AHr, Li-ion battery (includes cable) 856843-855
Before removing the battery, follow these steps:
1. Shut down the tablet. If you are unsure whether the tablet is o or in Hibernation, turn the tablet on,
and then shut it down through the operating system.
2. Disconnect all external devices connected to the tablet.
3. Disconnect the power from the tablet by rst unplugging the power cord from the AC outlet, and then
unplugging the AC adapter from the tablet.
4. Remove the display panel assembly (see Display panel assembly on page 30).
Remove the battery:
1. Position the tablet back cover with the bottom edge toward you.
2. Remove the four Phillips M2.0×3.0 screws (1) that secure the battery to the back cover.
3. Remove the battery (2).
Reverse this procedure to install the battery.
Component replacement procedures 39