Remove The Battery Pack - Lenovo Legion 5 Series Hardware Maintenance Manual

Step 3. Pry up the latches and then remove the lower case.
Figure 4. Pry up the latches and remove the lower case
Go to
https://support.lenovo.com/partslookup
part:
Lower case

Remove the battery pack

Make sure the following FRU (or CRU) has been removed.
"Remove the lower case" on page 28
Step 1. Disconnect the battery cable from the system board.
Attention: Use your fingernails to pull the connector to unplug it. Do not pull the cable.
Step 2. Remove six screws and then remove the battery pack.
Note: Attach the battery gasket to the battery pack when replacing the battery pack.
Figure 5. Remove the battery pack
Screw specifications
M2.5 x L7
to look up the Lenovo part number of the following replacement
Number of screws
6
.
Chapter 4 Removing a FRU or CRU
29