Quantity: 1Set. 1x Electric Scooter Power Adapter. Input Plug: US/ EU/ UK Plug (Optional). Applicability: For Lithium Battery (NOT Included.). - Input: 100-240V 50/60Hz 2A (max); Output: 42V2A. 1 adapter: convert 5.5 1 prong DC plug to 8mm 3 Prong Connector.