The first-generation Golden Technologies Companion II 4-Wheel (GC421/GC422) scooter used a pair of U1 batteries, an on-board battery charger, and wheel assemblies with gray tires. Note that these wheel assemblies are not interchangeable with the second-generation, black tire models.
Click here to see our parts for the second-generation Companion II (GC440) 4-wheel scooters