Remove The Battery Pack - Lenovo ThinkBook Plus 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
replacement part:
Lower case

Remove the battery pack

Make sure the following FRUs (or CRUs) have been removed.
"Remove the lower case" on page 30
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.
Step 2. Remove four screws and then remove the battery pack.
Figure 5. Remove the battery pack
Screw specifications
M2 x L3.5
Go to https://support.lenovo.com/partslookup
replacement part:
Battery pack
to look up the Lenovo part numbers of the following
Number of screws
4
to look up the Lenovo part numbers of the following
.
Chapter 4 Removing a FRU or CRU
31