Floureon 2 Packs 30C 2S 7.4V 5200mAh Lipo Battery Hard Case with Dean-Style T Connector for RC Quadcopter Drone and FPV (5.51x1.89x0.98 Inch) What You GetFloureon 2 packs 7.4V 2S lipo battery 5200mAh 30C deans T plug with 1 year warranty and friendly customer service. Voltage NotePlease check whether the battery surface is alright when you get it and whether the voltage is between 3.7~4.2V before using. SpecificationMaterial: Li-polymer; Battery voltage: 7.4V; Cell: 2S; Cell voltage: 3.7~4.2V; Capacity: 5200mAh; Discharge: 30C; Discharge plug: Dean-style T connector. Dimension5.51x1.89x0.98inch/pc; Net weight: 9.95oz/pc. All Floureon products sold by SEVESTO are comply with RoHS, CE, MSDS, UN38.3 standard. ApplicationRC airplane, helicopter, car, truck, boat, drone, FPV, Skylark m4-fpv250, Mini Shredder 200, Indy250 plus mojo 280, Qav250, Vortex and Emax nighthawk 250 (Only if the voltage, dimension and the plug match, then it will fit).