Rattan 48V 500W 750W Electric Bike for Adults Folding Bikes 3 0 4 0 Fat Tire Bikes New IPAS Energy Control System is a system for saving energy. It recognizes your riding status through our intelligent controller and accurately distributes current. IPAS can effectively reduce energy loss and increase battery life. Cooperate with IPAS high-efficiency motor to achieve energy saving effect. Comparing to the traditional control system, it saves more than 50% of electric power. 【Advanced technology】--It equips IPAS 48V 750W high speed brushless gear motor. With the intelligent controller, the motor performance can be excerted to extreme—max speed can go 28 MPH. Lithium battery has the characteristics of stable and high performance. Besides, the 48V 13ah lithium battery guarantee the bike can go up to 60-80 miles(under IPAS mode), and 40 miles (under electric mode). 【Convenient City Commute Design】--This ebike comes with full accessories, you don’t need to worry about purchase any accessories. Front and rear fenders are helpful for the daily commuting. The headlight and the rear light make you safety in the daily use. Besides, it comes with rear rack, which is convenient for shopping or carrying packages. What’s more, this ebike are provided with foldable design. you can bring it to the office or get into the car easily. 【Satisfied all your needs】--This ebike is fit for all-weather and all-terrain. 4.0 fat tires provide more tire grip in every condition of road, such as snow, beach, and the wet roads. With Tektro brakes, which is one of the most famous braking company in the world, can make high performance in all-weather situation. The front suspension plays important roles in the comfortable riding. The suspension seat post will not absorb power while damping. 【Warranty】-- With up to a 1-year warranty for the electric motor, battery, and the charger. You don’t need to worry about using it. We have confidence in our electric bike, and believe you would like it. This bicycle arrives 97% assembled. It is very easy to assemble. The assembly service on this page is provided and charged