Battery Type:Li-ionVoltage: 11.1VCapacity: 72Wh72Wh T05W1 M28DH Battery For Dell Precision 15 7510 7520 17 7710 7720 M7710$120.00PriceQuantity*Add to CartFITS MODEL Dell Precision 15 7510 7520 17 7710 7720 M7710 BRAND DELLSHIPPING INFO FREE EXPRESS SHIPPINGWARRANTY 12 MONTH