The main difference lies in the motor power and battery. The cheaper Miku Max comes with 800W motor and 60V 20AH Lithium battery while the Miku Super features a powerful 3000W motor along with 2 x 72V 20AH lithium battery. Apart from price and other features the Miku Max has a travel range of 60 km, while the Miku Super offers almost double the range of 135 km.