Description The VELOWAVE Fast Charger for All Electric Bikes is a high-powered charger that can charge your electric bike battery twice as fast as a standard charger. Safety A tier of UL approval for stand-alone components that have undergone rigorous testing by Underwriter Laboratories. Specs Input : 100-240VAC, 50-60Hz, 3.5A Max Output : 54.6V, 5A Connector Type : 3-pin Aviation Connector Compatibility: All Velowave Electric Bikes except ebikes with DC connector.