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Lenovo IdeaPad U300/U300s/U400 Hardware Maintenance Manual
1020 Battery pack (U400)
For access, remove this FRU:
• “1010 Base cover (U400)” on page 74
DANGER
Only use the battery specied in the parts list for your computer. Any other battery
could ignite or explode.
Figure 2. Removal steps of battery pack
Detach the battery pack connector in the direction shown by arrow
1
, remove
ve screws
2
and one screw
3
, and then remove the battery pack
4
.
4
1
2
2
2
2
2
3
Step Screw (quantity) Color Torque
2
M2 × 6 mm, at-head, nylok-coated (5) Black 1.6 ± 0.24 kgfcm
3
M2 × 7 mm, at-head, nylok-coated (1) White 1.6 ± 0.24 kgfcm
When installing: Make sure the battery pack connector is attached rmly.