Lenovo Battery 5B10W67209 is compatible in the following Models:

Lenovo IdeaPad S Series netbooks

IdeaPad S540-15IWL Laptop - 81NE003GIN

IdeaPad S540-15IML Laptop - 81NG0022AU

IdeaPad S540-15IWL GTX Laptop - 81SW002RAU

Other Lenovo Models

XXAir-15IML2019 - 81Q30006CD (81Q3-0006CD) - 81Q30006CD