Powerful and compact, the NITECORE UI2 is a dual-slot portable USB Li-ion battery charger capable of reaching a maximum charging current of 800mA and supports 18650, 18350, 20700, 21700 and various types and sizes of lithium batteries. Its power indicator provides users with real-time battery level and charging status. It also provides multiple charging safeguards to prevent from reverse polarity, overcharge, and overheating.

The UI2 features a micro-USB port compatible with various power sources like power reservoirs, solar panels and USB adapters for quick and efficient charging. Weighing less than 2.8 ounces, the lightweight design of the UI2 allows you to carry this charger everywhere you go. Measuring 4.94 inches, the UI2 fits comfortably in the palm of your hand and is portable for outdoor applications.

Specifications:
* Input: DC 5V/2A 10W
* Output Voltage: 4.2V±1%
* Output Current: 800mA*2 (MAX)
* Compatible with : Li-ion/IMR: 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
* Maximum Brightness: 5
* Dimensions: L-4.94"xW-2.34"xH-1.26"
* Weight: 2.8oz