Double your e-bike range? Priority releases bolt-on range extender battery
Addmotor all terrain fat tire electric bike-M-550 P7
Addmotor 26'' 1000W 17.5Ah Mid Drive Motor Ebike 48V Electric Bike Fat Tire | eBay
Family cargo bike: our Kid Kit add-on is safe and fun - AddBike
Amazon.com : Addmotor Motan Electric Trike, 85MI, 450lbs, 3 Wheel Electric Bicycle with 750W Motor 48V 20Ah Samsung Lithium Battery UL Certified, M-350 A 24" Electric Tricycle for Adults with Suspension Fork(Blue) :
AddBike replaces the front wheel with a cargo cart