Dynamite 7.2V 1200mAh Ni-MH Long Battery with Minis EC3 Go to amazon.com Related posts Best ecx barrage battery FeatureBattery Voltage: 7.2VConnector Type: EC3-MiniBattery Capacity: 1200mAh Description1200mAh 7.2V NiMH Battery Long with EC3: Minis (DYN1473). Battery Voltage: 7.2V. Connector Type: EC3-Mini. Battery Capacity: 1200mAh.