This charger works with HP Pavilion G7 Series Laptop here:
DC output 90Watt 19V 4.74A and 65W 18.5V 3.5A compatible with 7.4×5.0mm Smart-pin plug, 3-Prong wall power cord included. Hi-Quality compatible battery charger works for HP Pavilion G7-1000 Series notebook PC,1 year warranty 30 days return and US-based warehouse fast shipping.