... .5mm 100% Compatible original. Laptop AC Adapter for HP/Compaq 18.5V 4.74A 5.0 * 2.5mm 1.Specifications: 1.Input Voltage ... LF 3.Compatible with: HP Pavilion: dv4, dv5, dv7, G3000, G5000, G6000, and G7000; HP G50, G60, G70 Series; Compaq Presario: CQ40, ... CQ45, CQ50, HP Compaq nc82xx, nw82xx, nx82xx, nx9000, 2510p ...