Power off the device before installing or removing the Expansion Back.
Do not use any tool for battery cover removal. Puncturing the battery or seal may cause a hazardous condition and a potential risk of injury.
Remove battery cover and store in safe place.
Insert the tabbed end of the expansion back into the battery well (1). Ensure that the tabs on the expansion back are aligned with the slots in the battery well.
Rotate the expansion back down into the battery well (2).
Using a T5 Torx screwdriver, secure expansion back to device using four M2 screws. Torque to 0.43 N-m (3.8 lbf·in).
