Lenovo IdeaPad Flex 3 Chromebook Hardware Maintenance Manual page 38

Step 2. Remove four screws, and then remove the battery pack.
Figure 5. Remove the battery pack
Screw specifications
M2 x L3.8
Go to
https://support.lenovo.com/partslookup
replacement part:
Battery pack
32
IdeaPad Flex 3 Chromebook (11", 6) Hardware Maintenance Manual
Number of screws
4
to look up the Lenovo part numbers of the following