Products from the USA may come with an input voltage of 110V–120V, requiring a step-down transformer. Check the device wattage to select the correct power converter.
•Using high-quality components, intelligent dual IC program control circuit, chip motherboard design
•2.5mm x 5.5mm (Inner diameter x Outer diameter) with inside positive polarity
•Charger with the flow, overcharge, short circuit, lightning, temperature, pressure, electromagnetic field protection and other functions, constant current output, full stop automatically