Shipping From: United StatesQuality: Class AManufacturer: IntocircuitNew replacement UL Listed charger compatible with voltbike mariner electronic Bike, DC output 54.6V 2A which is designed for 48V batteries, UL listed,US standard. Hi-Quality compatible 54.6Volt battery charger, smart auto-on and off, works with voltbike mariner plus US standard power cable.