Lenovo Battery
42T4646
is compatible in the following Models:
Lenovo ThinkPad X Series laptops
ThinkPad X201 - 3249CTO
ThinkPad X201 - 3626CTO
ThinkPad X201 - 3680M44
ThinkPad X200 - 7454CTO
ThinkPad X200 - 7458CTO
ThinkPad X200s - 7469AZ5
ThinkPad X200s - 7469CTO