Prodeco Technologies G Plus Mariner 7 Electric Folding Bicycle (36V, 300W) 36V 300W, 38.4V9A Electric Bicycle Folding Aluminum Alloy Frame 38.4V Lithium Ion Phosphate 2000 Charge Cycles Battery Front & Rear "Tool Free" Adjusting Disc Brakes w/ 180mm Stainless Steel Rotors Lifetime Frame, 2 Year Components Warranty + Built in the USA