Floureon 2 Packs 4S 14.8V 4500mAh 45C Lipo Battery with Deans T Plug for RC Quadcopter Airplane Car Truck Boat Hobby (5.71 x 1.97 x 1.26 Inch) What You GetFloureon 2 packs 4S 14.8V 4500mAh 45C lipo battery 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; Cells: 4S; Voltage: 14.8V; Capacity: 4500mAh; Discharge: 45C; Discharge Plug: Deans T Plug. ApplicationRC airplane, RC car, RC truck, RC boat, drone, FPV, Skylark m4-fpv250, Qav250, Vortex and Emax nighthawk 250 (Only if the voltage, dimension and the plug match, then it will fit). Dimension5.71x1.97x1.26inch. All Floureon products sold by SEVESTO are comply with RoHS, CE, MSDS, UN38.3 standard.