Lenovo V4400u Notebook - Manual (Page 51)

Disconnect the connector 1 , and then remove the screw 2 .
1
2
2
2
Step Screw (quantity) Color Torque
2 M2 × 4 mm, flat-head, nylon-coated (3) Black 0.181 Nm
(1.85 kgf-cm)
Remove the battery pack 3 .
3
When installing: Ensure that the connector is firmly attached.
1040 Backup battery
For access, remove this FRU:
“1020 Base cover” on page 43
Removal steps of the backup battery
DANGER
Use only the battery specified in the parts list for your computer. Any other battery could ignite
or explode.
Chapter 8 . Removing or replacing a FRU 45