This is a Power Hobby 7.4V/2S 5200mAh 50C LiPo Battery with a Hardwired EC5 Connector. This 2-cell 5200mAh 50C lipo is perfect for 1/10 & 1/8 scale cars, trucks, and buggies and Boats. Features a huge capacity for extended run times and a gigantic C rating so you'll have all the power you'll ever need.
Dimensions: 25.1mm X 47mm X 138mm
Suggested Charge Rate: 2C
Continuous Discharge: 35C
Max Burst Rate: 100C