The AC 220V Dual Charger you are referring to is a charging device that can charge 18650 type of Li-ion battery.The charger is designed to work with a standard AC 220V power source, so you will need to plug it into a wall outlet to use it. Once the charger is plugged in, you can insert the batteries..
The AC 220V Dual Charger you are referring to is a charging device that can charge multiple types of Li-ion batteries, including 18650, AA, AAA, 17650, 16340, 14500, and 10500 batteries.The charger is designed to work with a standard AC 220V power source, so you will need to plug it into a wall outl..