1120 Built-In Battery - Lenovo 21FA Hardware Maintenance Manual

Removal steps of the I/O board and cable
Step Screw (quantity)
2
M2 × 3.5 mm, flat-head, nylon-coated (2)
When installing: Ensure that the connectors are attached firmly.

1120 Built-in battery

DANGER
Use only the authorized battery specified for the computer. Any other battery could ignite or
explode.
78
ThinkPad P16 Gen 2 Hardware Maintenance Manual
Color Torque
Silver 0.181 Nm
(1.85 kgf-cm)