Lenovo Part
04W1479
is compatible in the following Models:
Lenovo ThinkPad Edge laptops
ThinkPad Edge E420 - 1141227
ThinkPad Edge E420 - 11415AU
ThinkPad Edge E420 - 11417BG
ThinkPad Edge E420 - 1141BMQ
ThinkPad Edge E420 - 1141CTO