This Charger Combines Three Chargers with Similar Outlet Terminals to Avoid Purchasing the Wrong Model. The Three Outlet Terminals are Connected Together Through a Dedicated Plastic Box, Which is Very Convenient for You to Use Without Docking Plugs. There is No Need to Plug or Unplug During Use, Ensuring That There are No Issues with Poor Contact During Product Use, While Ensuring Quality and Life Span.This Charger Has a Wide Voltage Design.Input: 100-240V 2.5A; Output: 48V-54.6V 2A, and Can Work with 48V Electric Scooters and Electric bikes. The Charger is Equipped (DC 5.5x2.1mm, DC 5.5x2.5mm, 9mm Aviation plug) with Multiple Outputs That Can be Switched Between Devices. Compatible with 48 Volt Lithium Batteries.The Charger Has Multiple Protection Functions, Such As Overvoltage Protection, Overcurrent Protection, Short Circuit Protection, Intelligent Control Chip, Built-in Safety Fuse, and Temperature Protection. The Charger Has a LED Pilot Lamp, Which Can Display The Working Status Clearly. It's Easy to Use.