Warm Remind:Size1: Deans PlugSize2:TRX PlugSpecifications:. Brand: FLOUREON?. Chemistry: Li-Polymer . Cells Number: 3S. Voltage: 11.1V. Capacity: 5500mAh. Discharge: 40C. Charge Plug: JST-XH . Discharge plug: TRX Plug. Battery Dimension: 145*50*28mm/ 5.66*1.95*1.09inch. Battery Weight: 500g/ 17.5ozCompatible:RC Airplane， RC Helicopter， RC Car/Truck， RC BoatKindly Note: All batteries available Ready-to-Run， Please select the right connector according to your original battery. At the same times， please kindly compare the dimension with your original battery. If you have any other special demand or problem， please feel free to contact us. Please remember: We are floureon! Ready to go and enjoy it !Package Content:1x FLOUREON 3S 11.1V 5500mAh 40C Lipo RC Battery Pack for RC Helicopter RC Airplane RC Hobby (TRX Plug)