A powerful and cost-effective mountain e-bike with 750W rear motor and 48V/13AH lithium battery! Its shock absorption equipment and mountain tires allow your unimpeded ride on rough roads. Full charge ride endurance:over 25 miles , the range depends on whether you use pedal assist power more or throttle power more. Brushless gear rear 750W Motor provide strong power. Maximum vehicle speed:25(Rider weight<260LBS ,flat road and full power). 48V/13AH Removable Lithium Battery, so you can bring the battery to your home or office to recharge. Charging time:Approximately 6-8 hours. Pedal Assist model:pedal 180 degree motor start to work. 90% Pre-assembled. 26 X 4.0 Fat Tire in All Road Fat Tire-Durable All Condition Road--More than Safe, Balance, Fast and Stable for Your Cycling. Max Loading:260 LB. Please pay attention to the size and weight of the bike in case it is too big or heavy for you to ride. (Total weight:86.09 lb) LCD Display Panel ,48V power display , 6KM cruise at constant speed, Five-gear cycle display, Speed limit can be set, One key repair function, Line length:1500. 48V/22A brushless controller. Updated:There is a USB port under the meter, allows you to charge your phone while traveling. This Model is UL Certified Product. UL certifications demonstrate that our products have been tested to applicable safety standards. UL's recognized regulatory expertise provides critical credibility to authorities and the marketplace. Bring our products to market more efficiently and clearly differentiate them on crowded shelves with certification from the safety science leader.