Gens ace 11.1V 2200mAh 3S 45C LiPo Battery Pack with Deans Plug for Align Jet Esky Helicopter Walkera Airplane E-flite Huge Plane Draganflyer RC Car Boat Truck Heli Airplane Gens ace Professional LiPo Battery: Superior Japan and Korea Lithium Polymer raw materials Excellent Duration: Quickly Recharged, Long Cycle Life (150 times minimum), up to 200Wh/kg energy density Parameter: Weight: 0.45lb; Dimension(LxWxH): 4.21x1.34x1in; Connector: Deans Plug; Balancer Connector: JST-XHR Applications: Specially Designed for Align jet, Esky helicopter, Walkera airplane, E-flite huge plane. Draganflyer What you get: Gens ace LiPo Battery Pack, User Manual