Trakpower LiPo 2S 7.4V 4500mAh 90C Hard Case Battery, 5mm/Short FEATURES: Ideal for 1/10 scale off-road applications 5mm bullet connectors ROAR approved INCLUDES: 2S 7.4V 90C 4500mAh LiPo Short Battery with 5mm Bullet Connectors Balance/Charge/Discharge lead with Dean's Female Ultra Plug Instruction Sh REQUIRES: Balancer and LiPo compatible charger, or LiPo charger with built-in balancer such as the TrakPower VR-1 Dual Racing Charger, TKPP5000