Lenovo Part
04X6592
is compatible in the following Models:
Lenovo ThinkPad X Series laptops
ThinkPad X1 Carbon 2nd Gen (20A7, 20A8) Laptop - 20A7CTO1WW
ThinkPad X1 Carbon 2nd Gen (20A7, 20A8) Laptop - 20A8A0KMOO
ThinkPad X1 Carbon 2nd Gen (20A7, 20A8) Laptop - 20A8CTO1WW