The Yuneec PowerDrive 24 propulsion system uses the best technologies to create an integrated system of: Motor, Motor Controller, Battery, and Charger to optimize performance, making electric flying simple and fun. The 24KW (32hp) powerplant quietly propels the plane while the Motor Controller efficiently delivers power from the battery. The eSpyder uses proven Lithium battery technology, similar to what is used by the leading electric car manufacturers. Charging is done by a custom designed charging system that monitors and manages the health of the batteries on every charge to ensure maximum performance.