Laptop AC Adapter for HP/Compaq 18.5V 4.74A 5.0 *2.5mm 100% Compatible original. Laptop AC Adapter for ... HP/Compaq 18.5V 4.74A 5.0 * 2.5mm 1.Specifications: 1.Input Voltage Range : ... 100-240V, 50/60Hz 2.Output: 18.5V, 4.9A, 90W 3.DC Plug Size:7.4mm ... : HP Pavilion: dv4, dv5, dv7, G3000, G5000, G6000, and G7000; HP G50, G60, G70 Series; Compaq Presario: CQ40, ...