Battery; Lithium-Ion Battery Precautions - Dell P121G Service Manual

Steps
1. Connect the battery cable to the system board, if applicable.
2. Align the screw holes on the base cover with the screw holes on the palm-rest and keyboard assembly, and then snap the
base cover into place.
3. Replace the four screws (M2x4) that secure the base cover to the palm-rest and keyboard assembly.
4. TIghten the three captive screws that secure the base cover to the palm-rest and keyboard assembly.
Next steps
1. Follow the procedure in

Battery

Lithium-ion battery precautions

CAUTION:
● Exercise caution when handling Lithium-ion batteries.
● Discharge the battery as much as possible before removing it from the system. This can be done by
disconnecting the AC adapter from the system to allow the battery to drain.
● Do not crush, drop, mutilate, or penetrate the battery with foreign objects.
● Do not expose the battery to high temperatures, or disassemble battery packs and cells.
● Do not apply pressure to the surface of the battery.
● Do not bend the battery.
16 Removing and installing components
After working inside your computer.