Features:1.High qaulity material and exquisite making2.High rate discharge3.Durable， stable and safe4.Easily charge it and supply power for RC helicopterSpecifications:Brand��ZOP POWERChemistry: Li-Polymer. Battery capacity: 5200mAh. Voltage: 7.4V . Continous discharge rate: 30C . Configuration: 2S1P， 2 cells . Charge Plug: JST-XH. Discharge plug: TRX Traxxas Connector. Battery Dimension: 140.00*48.00*25.00mm(5.51*1.89*0.98inch). Battery Weight: 289g Compatible:RC Car， RC Buggy， RC Truck， RC TruggyPackage Content:1X Taotuo 7.4V 5200mAh 30C Lipo RC Battery for RC Car Truck Truggy RC Hobby1X 4mm Bullet Connector + TRX Traxxas Plug Wire Kindly 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. Ready to go and enjoy it