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 ... 2.Output: 18.5V, 4.9A, 90W 3.DC Plug Size:7.4mm X 5.0mm with pin inside 2 ... , G3000, G5000, G6000, and G7000; HP G50, G60, G70 Series; Compaq Presario: CQ40, CQ45, CQ50, HP Compaq nc82xx, nw82xx, nx82xx ...