Lenovo Part
01LX639
is compatible in the following Models:
Lenovo ThinkPad X Series laptops
ThinkPad X1 Carbon 5th Gen - Kabylake (20HR, 20HQ) Laptop - 20HQCTO1WW
ThinkPad X1 Carbon 5th Gen - Kabylake (20HR, 20HQ) Laptop - 20HRCT01WW
ThinkPad X1 Carbon 5th Gen - Kabylake (20HR, 20HQ) Laptop - 20HRCTO1WW