2S 7.4V 30C 450mAh Rechargeable Lipo Battery with JST & PH2.0 Plug Fit – URGENEX RC Hobby
Amazon.com: Zeee Premium Series 3S Lipo Battery 5000mAh 11.1V LCG Hard Case Batttery Height 25mm 120C with EC5 Connector for RC Car Truck Tank Racing Hobby (2 Pack) : Toys & Games