Replace Part Number:

XCMRD, 0XCMRD, T1G4M, 4WY7C, FW1MN.

Compatible Models:

Dell Inspiron 14 (3421), 14R (5421), 14R (5437), 15 (3451), 15 (3521), 15 (3531), 15 (3542), 15R (5521), 15R (5537), 17 (3721), 17 (3737), 17 (5748), 17R (5721), 17R (5737), M531R (5535), M731R (5735).
Dell Latitude 3440, 3540.
Dell Vostro 2421, 2521.

DELL 14Z-4321 / 3421 / 5537 5421 5437 3521 / Vostro 2421 2521 3446 / Inspiron 17 (3721) 17R (5721) / Inspiron 14 3442 15 3542 17 5748 3437 3537 3737 / Latitude 3440 3540 3542 3541 3537 3737 5521 / INSPIRON 3442 3531 3721 3543 ( 6 CELL- 65wh)