Description: Input: 100-240V 50-60Hz Output: 19.5V=9.23A 180W Connector: 7.4*5.0mm Compatible Part Number: WW4XY,074X5J,JVF3V,78X5J,WD5G3,DWG4P,TW1P0,NPW78,FJ05H,0YC9V,DA180PM111,ADP-180MB D,ADP-180MB B,FA180PM111 Compatible Laptop models: Alienware 13 R3 Alienware 14 15 17 Note: Not all compatible model# is listed.