Part
PX72C
is compatible in the following Models:
Alienware Laptops
Dell Alienware M17x R3
Inspiron Laptops
Dell Inspiron 14 N4050
Dell Inspiron 14R (N4110)
Latitude Laptops
Dell Latitude E6420
XPS Laptops
Dell XPS 15 (L502x)
Dell XPS 17 (L702X)