Amazon.com: TopMate ES35 Powered Mobility Scooter 3 Wheels Foldable Trike with Seat for Adults, Lightweight Electric Scooter with Removable 36V 7.8AH Battery, Reverse Function & Key Switch for Commute and Travel :
CHONGHAN Electric Tricycle, Electric Trike Fat Tire Bicycle Trike 3 Wheel Ebikes, 750W 15Ah Removable Battery, Big Basket, Three Wheel Electric Bike for Seniors - Yahoo Shopping