Monster Nano Tech 6S 16000 mAh Lipo Battery 22.2v 25c for DJI S800 evo S900 S1000 S1000+ Hexacopter Octocopter RC Car Boat HPI Baja Monster 16000 mAh 6S 22.2v Nano Technology Battery. Discharge rate is 25C. XT60 Connector