Lenovo ThinkPad E15 Gen 2 Hardware Maintenance Manual page 79

Removal steps of the built-in battery
DANGER
Use only the authorized battery specified for your computer. Any other battery could ignite or
explode.
Step Screw (quantity)
2
M2 × 4 mm, small-head, nylon-coated (2)
When installing:
Ensure that the connector is attached firmly.
1070 Wireless LAN card
For access, remove this FRU:
• "1010 Base cover assembly" on page 65
74
E14/R14/E15/S3 Gen 2 Hardware Maintenance Manual
Torque
Color
Black 0.181 Nm
(1.85 kgf-cm)