Specifications Input voltage: 100-240V 4.5A 50-60Hz Output parameters: 19.5V-16.92A Connector Size: 7.4mm X 5.0mm with center pin Compatible with: Dell G15 G16 5530 7630 7620 Gaming Laptop Dell Alienware m17 R3 R4 P45E, Alienw x17 R1 R2 P48E, Area-51m R1 R2 P38E, Alienw x51, Alienw M18x Part Number: 331-2429, 320-2269, XM3C3, ADP-330AB B, ADP-330AB D, DA330PM111, CN-0XM3C3, DA330PM190 LA330PM190 LA330PM160