IZIP E3 Zuma - Beach Cruiser Electric Bicycle Real Transportation at Speeds 20 mph / 32 km/h and Range 20- 30 Miles / 32 - 48 km with Normal Pedaling (Rider Weight, Rider Input and Terrain Contingent) Upright Position with Comfortable Saddle for Rider Ease 36V11.4Ah 410Wh Lithium-ion Battery Pack is Quickly Removable from Rack to Allow Charging Anywhere. Twist and Go (TAG) Pedal Assist System (PAS) for Added Versatility