The Nitecore UI2 is a dual bay, lightweight, li-ion battery charger, with a lightweight, portable design that is perfect for traveling and charging on-the-go. Offering compatibility with a wide variety of batteries, the compact charger can be used with large sized batteries, including 20700 and 21700 cells.

Featuring a USB-C port, the UI2 is compatible with various power sources including, power banks, solar panels and USB adapters.

The UI2 automatically selects the appropriate charging current when a battery is inserted. If the battery voltage is below 2.9V, it activates a low-current charging mode at 100mA; if the voltage is above 2.9V, it uses the standard charging mode with a maximum charging current of 1000mA.

The Nitecore charger has a simple display that indicates the charging status of each slot using three LEDs. The charger provides anti-short circuiting and reverse polarity protection, intelligent thermal protection, and automatic termination upon charging completion, to keep your batteries in the best of health.

The UI2 is compatible with the following Li-ion/IMR batteries: 10340, 10350, 10440, 10500, 12340, 12500, 12650, 13450, 13500, 13650, 14430, 14500, 14650, 16500, 16340 (RCR123), 16650, 17350, 17500,17650, 17670, 18350, 18490, 18500, 18650, 20700, 21700, 22500, 22650, 25500, 26500, 26650.