Superb Choice 180W Dell Alienware M17X R4 AM17XR4-6837BK Laptop AC Adapter Input:AC100-240V; Output: DC 19.5V 9.23A 180W; 7.4mm*5.0mm 1 year replacement warranty,30-day refund guarantee after the purchase. High Efficiency and Reliability. This adapter was tested and proven to match and/or exceed original specifications of DELL products Over current protection;Total power protection;Over voltage protection;Short Circuit Protection Compatible Part Numbers: DELL 4X5J, 74X5J, 074X5J, JVF3V, 0JVF3V, 78X5J, WD5G3, TW1P0, NPW78, FJ05H, F0G4K, 0YC9V, FA180PM111, DA180PM111, DWG4P, 0DWG4P, WW4XY, 0WW4XY, ADP-180MB B, ADP-180MB D, A-0180ADU00-201, CN-074X5J, 5N11K, 05N11K, 331-1465, 331-1469, 331-7957, 450-16903, 450-16902, 450-18647, 4WW5R, 04WW5R Compatible Laptop Models: Dell Alienware M17X R4 AM17XR4-6837BK

Superb Choice 180W Dell Alienware M17X R4 AM17XR4-6837BK Laptop AC Adapter Input:AC100-240V; Output: DC 19.5V 9.23A 180W; 7.4mm*5.0mm 1 year replacement warranty,30-day refund guarantee after the purchase. High Efficiency and Reliability. This adapter was tested and proven to match and/or exceed original specifications of DELL products Over current protection;Total power protection;Over voltage protection;Short Circuit Protection Compatible Part Numbers: DELL 4X5J, 74X5J, 074X5J, JVF3V, 0JVF3V, 78X5J, WD5G3, TW1P0, NPW78, FJ05H,