LiPo Onyx 2S 7.4V 8000mAh 35C Soft Case Star.  Plug style may vary. FEATURES: Ideal for 1/10 scale car applications Prewired with Traxxas high current connector INCLUDES: 7.4V 8000mAh 35C Soft Case LiPo Battery with Deans Connector REQUIRES: Balancer and LiPo compatible charger or LiPo charger with built-in balancer such as the Onyx 235, DTXP4235