This is the Orion Carbon Pro 7.4V 6000mAh 100C LiPo Battery with a Deans Connector. Features: Developed by Oscar Jansen, supported by Orion"s National, European and World championship winning racing teamEnhanced Energy Density100C discharge rateDeans high current connectorsRobust carbon look hard caseMeets ROAR, EFRA, BRCA, IFMAR specsExtreme power outputExtremely low internal resistance5C charge rateHigh quality silicone wiresWorld Championship winning LiPo chemistry Includes: One Orion Carbon Pro 7.4V 6000mAh 100C LiPo Battery with a Deans Connector