Amazon.com: Zeee 3S Lipo Battery 10000mAh 11.1V 120C with EC5 Connector Soft Case RC Battery for RC Car Truck Tank Racing Hobby Models (2 Pack) : Toys & Games
Gens ace 2200mAh 3S 11.1V 25C G-Tech Lipo Battery Pack with EC3 Plug for RC Plane
18650 lithium ion battery pack 11.1V 3200mAh is rechargeable and safe