Lenovo 20KF Hardware Maintenance Manual page 81

Step Screw (quantity)
1
M2 × L5 mm, flat-head, nylon-coated (4)
Installing the built-in battery
Note: Ensure that the two battery tabs are inserted underneath the system board.
Torque
Color
Black 0.181 Nm
(1.85 kgf-cm)
.
Chapter 8 Removing or replacing a FRU
75