GiFi 7.4V 4100mah LiPo Battery for Holy Stone HS100 SJRC S70W RC Drone Quadcopter Description: Capacity: 4100mAh Voltage: 7.4V Power: 30.3Wh Compatible Model: for Holy Stone HS100 SJRC S70W RC Drone QuadcopterPackage Included: 1 x Li-po Battery