SUPERFLY 2015- Electric Bike w/ Removable Lithium-Ion Battery Premium Leading Quality in America , Made in USA (Miami) Included with a 48V - 20 AH Lithium - Ion Battery (2 Year Factory Warranty) you can Drive up to 60 miles of driving range per charge Pedal assist tech equipped - Ride it like a scooter or like a bicycle 500 Watts Brush - Less Motor (5 Year Factory Warranty) Front & Rear Hydraulic Disc Brakes Only 3-4 hours to charge on a standard 110V electrical outlet, simply remove the battery and charge in any convenient outlet