Specifications:Model Name: 33YDH; Voltage: 15.2V; Capacity: 56WH ; Cells: 4 cells; Color: Black. Packages includes: 1 * 33YDH Laptop Battery1 * Instruction for Laptop Battery2 * Free Screwdrivers for easy installation Compatible Model:56WH 33YDH Laptop Battery Compatible with Dell Inspiron 17 7000 7577 7773 7778 7786 7779 2in1 Series;Compatible with Dell G3 15 3579 Series;Compatible with Dell G3 17 3779 Series; Compatible with Dell G5 15 5587 SeriesCompatible with Dell G7 15 7588 Series;Compatible with Dell Latitude 15 3590 3580 Series; Compatible with Dell Latitude 14 3490 Series; Compatible with Dell Latitude 13 3000 3380 Series; Compatible with Dell Vostro 15 7580 7570 Series laptop battery