Eachine H99 H99D H99W RC Quadcopter Spare Parts 3.7V 400mAh Battery H99-008 Description: Item name: 3.7V 400mAh Battery Weight: 11g For Eachine H99 H99D H99W RC Quadcopter   Package Inlcuded: 1 x 3.7V 400mAh Battery