Use Orange 1S Lipo battery with a wide range of mAh rating 360mAh to 2200mAh. lipo battery is faster to charge. Even when the battery is not used, the self-ageing is less. This battery is a type of rechargeable battery that has taken the electric RC world by storm, especially for planes, helicopters, and multi-rotor/drone. They are the main reason an electric flight is now a very viable option over fuel-powered models.1 cell Lipo battery includes a nominal voltage of 3.7V.