Lenovo Part
5W11H85409
is compatible in the following Models:
Lenovo ThinkPad X Series laptops
X1 Carbon 11th Gen (Type 21HM, 21HN) Laptop (ThinkPad) - 21HMCTO1WW
X1 Carbon 11th Gen (Type 21HM, 21HN) Laptop (ThinkPad) - 21HMCTO1WWAU3
X1 Carbon 11th Gen (Type 21HM, 21HN) Laptop (ThinkPad) - 21HNS2E400