Description: The quick removable modular battery lets you able to charge the battery pack on or off the frame. The battery of the Kingbull e-bike is also set up with a key to keeping your battery safe. Features: The range per charge can be up to 55 miles Lithium-Ion cells The battery weighs 7 lbs. Only for hunter2.0, not compatible with hunter1.0. *Does not come with a charger.