Compatibility This 54.6V 2A charger is compatible with Engwe Ebike EP2 Pro Engine Pro (Aurora) X26 P26 Mountain Bike 250W C20 Pro electric bikes equipped with a 48V lithium-ion battery. Fast Charging Input 100-240VAC, 5060Hz, 2A MAX Output 54.6V 2A This 54.6V 2A electric scooter charger can deliver up to 109W. Overload Protection The built-in heat sink and cooling fan prevent overheating; it also provides short-circuit, overcurrent, and overvoltage protection; a high-quality fuse prevents the smart version from shutting down. Charging Indicator: The 546V 2A electric scooter charger has an LED charging indicator. The red light is on during charging, and the green light is on when the battery is fully charged. Compatibility: This replacement electric bike charger is compatible with most 48V electric bikes. The charging connector is a DC 8mm. Please check carefully before purchasing to compare the shape of your scooter's charging port to avoid charging errors. If you are unsure whether our charger is compatible with your electric scooter or electric bike, please feel free to contact us. Warning: Not suitable for children under 12 years. To be used under adult supervision.