Lenovo Part
04W1350
is compatible in the following Models:
Lenovo ThinkPad L Series laptops
ThinkPad L420 - 78274RM
ThinkPad L420 - 78274TM
ThinkPad L420 - 78274YM
ThinkPad L420 - 7827CTO
ThinkPad L420 - 7829AH2
ThinkPad L420 - 7829B83
ThinkPad L420 - 7829CN7
ThinkPad L420 - 7829WAU
ThinkPad L421 - 7854CTO