E-flite's new High-Power Series batteries are plug-n-play ready for your E-flite ESC with EC3 main power connector. Now with up to 20C continuous discharge rate, and 13 gauge wire, more power is available for your most demanding high performance planes. Type: LiPo Capacity: 1250 mAh Voltage: 7.4V Connector Type: EC3; E-flite balance connector for balance charging Wire Gauge: 13GA Number of Cells: 2 in series Weight: 3.1 oz Dimensions: 1.35 x 2.60 x .70 in Maximum Continuous Discharge: 20C Maximum Continuous Current: 25 amps Recommend E-Flite LiPo chargers