Trakpower LiPo 2S 7.4V 5600mAh 90C Hard Case Battery (Deans) FEATURES: Ideal for 1/10 scale off-road applications Prewired with Dean's Ultra connector ROAR approved INCLUDES: 2S 7.4V 90C 5600mAh LiPo Battery with Dean's Ultra Connector Instruction Sheet REQUIRES: Balancer and LiPo compatible charger, or LiPo charger with built-in balancer such as the TrakPower VR-1 Dual Racing Charger, TKPP5000