The Nitecore UI1 serves as a compact and portable USB li-ion battery charger, ideal for those who are frequently on the move. It boasts compatibility with a wide array of batteries, including larger models like 20700 and 21700 cells.

This charger automatically detects the optimal charging current based on the inserted battery’s voltage, ensuring efficient and safe charging. It’s versatile too, able to be powered by various sources such as power banks and solar panels via its micro USB port.
With a straightforward display utilizing three LEDs, the UI1 keeps you informed about the charging status. Plus, it incorporates multiple safety features like anti-short circuiting and reverse polarity protection, intelligent thermal protection, and automatic shut-off upon completion to maintain your batteries’ longevity. Compatible with an extensive range of Li-ion/IMR batteries, including 18650, 21700, and many more, the Nitecore UI1 is a reliable choice for all your charging needs.

Nitecore UI1 Portable USB Battery Charger Features & Specifications:

• Max charging current of 800mA

• Intelligent charging mode selection (CC and CV)

• Lightweight and portable for outdoor charging

• Charges large-sized batteries like 20700, 21700 batteries & more

• Micro-USB port is compatible with USB adapters, solar panels, power banks, and more

• Displays real-time battery level and charging status

• Input DC 5V/1A 5W

• Output Voltage 4.2V±1%

• Output Current 800mA (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