Vivi Electric Bike, 20 Inch Folding Bikes for Adults/Women/Men, 350W Ebike with 36V 8AH Removable Battery, 7 Speed… Price: $615.99 (as of 17/06/2021 22:38 PST- Details)

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【High Power&Capacity】Equipped with a 350W high-speed motor and a removable 36V 8AH lithium-ion battery, allows you to easily charge the e-bike battery pack in your office without taking up a lot of space. A quick charge takes only 4-6 hours, a single charge can travel 35-45KM, enough to meet your needs, suitable for adults, youth, work, city travel, and short trips.
【3 Working Modes】With 3 smart riding modes: battery and pedal assist and normal mode. Unlike most folding e-bikes of the same size, Vivi e-bikes have 3-speed adjustable gears. For example, In battery mode, the throttle speed can be adjusted to 15/20/25km/h and up to 32km/h. Easy to operate and versatile to control.