Using the Completely wrong voltage charger is like utilizing a small hose to fill a huge tank—it will not likely work effectively. It'd acquire for good to charge or even hurt your battery. Always Look at your scooter's manual or talk to the company to discover the correct charger https://www.electricscooter.ltd/adult-electric-off-road-scooters-15000w-2-wheel-fat-tire-electric-scooter/