Description Brand New Genuine Dell OEM Original Laptop Battery for the Dell Inspiron 7778 and7779 Laptops. Compatible Dell Laptops:-G Series G3 3579, G3 3779, G5 5587, G7 7588-Inspiron 17 (7778) 2-in-1, 15 (7579) 2-in-1, 17 (7779) 2-in-1, 15 (7577), 15 (7573) 2-in-1, 15 (7570), 17 (7773) 2-in-1, 15 (7586) 2-in-1, 17 (7786) 2-in-1-Latitude 13 (3380), 3480, 3580, 3590, 3490, 3400, 3500-Vostro 15 (7570), 15 (7580) Rechargeable Li-ion BatteryRating:15.2V 4-CellHigh Capacity: 56WHrType 33YDH, 033YDH DP/N: 99NF2; W7NKD; 7FHHV IMPORTANT NOTE:Match your part number before ordering- some of these laptops will require a smaller 3-cell battery if shipped with a 2.5" storage drive. Give us a call if you’re not sure which battery to select.Dell shipped some of the above systems with different battery types, that have different battery connecting cables. It is important you get the same battery type as your original.This listing is for the battery type requiring the longer battery connecting cable. You can match your part number or contact us if your not sure which battery to select. Part Number 33YDH Condition Brand New Shipping Weight 1.05 lb(s). Item Category Battery