Remove The Battery Pack - Lenovo IdeaPad 1 Series Hardware Maintenance Manual

Screw specifications
M2 x L5.5
Figure 4. Remove ten screws for 15–inch models
Screw specifications
M2 x L5.5
Go to
https://support.lenovo.com/partslookup
replacement part:
Lower case

Remove the battery pack

Make sure the following FRUs (or CRUs) have been removed.
"Remove the lower case" on page 28
Step 1. Disconnect the battery pack cable from the system board.
Attention: Use your fingernail to pull the connector to unplug it. Do not pull the cable.
Number of screws
9
Number of screws
10
to look up the Lenovo part numbers of the following
.
Chapter 4 Removing a FRU or CRU
29