The Nitecore UI2 Intelligent USB Charger has a max charging current of 800mA, available for low current charging below 2.9V for protecting batteries and maximizing the battery cycle durability. When a battery with a voltage below 2.9V is inserted, the UI2 will automatically access the low-current charging mode with a charging current of 100mA. When a battery with a voltage over 2.9V is inserted, the UI2 will then access the Standard Mode with a max charging current of 800mA. The UI2 is also compatible with 20700 and 21700 batteries! Having this amount of compatibility is great for all of us not just vapers, the UI2 can also be powered through it’s USB slot giving it ultimate portability and utility.

Here is a quick list of the compatible cell types the Nitecore UI2 can charge: IMR / Li-ion: 10440, 14500, 14650, 16500, 16340(RCR123), 16650,17350, 17500, 17650, 17670, 17700, 18350, 18490, 18500, 18650, 18700, 20700, 21700, 22500, 22650,25500, 26500, 26650J

Charger Features: