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Nitecore UI2 2 Channel Portable USB-C Battery Charger

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  • Regular price $19.99
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Nitecore UI2 Portable USB-C Charger – Dual-Slot Intelligent Charging for Li-ion Batteries

Built for the demands of modern outdoor and high-performance gear, the Nitecore UI2 is a lightweight, dual-slot USB-C Li-ion battery charger designed to deliver efficient and safe power on the go. Compatible with a wide range of 3.7V Li-ion and IMR cells—including larger sizes like 20700 and 21700—the UI2 offers independent charging for two batteries, each with a maximum 1000mA output. It intelligently adapts between CC (Constant Current) and CV (Constant Voltage) modes, supporting low current charging below 2.9V to prolong battery life.

Featuring USB-C input and compatibility with power banks, solar panels, and USB adapters, the UI2 ensures reliable power access in any environment. Built-in safety systems include reverse polarity detection, short circuit protection, thermal regulation, and automatic charge termination. Certified by CE, RoHS, FCC, KC, and C-TICK, and globally insured by Ping An, the UI2 is constructed with fire-retardant PC materials—ideal for rugged and unpredictable outdoor conditions.

Key Features:

  • Dual-Slot Smart Charging: Charges two batteries independently with up to 1000mA per slot and real-time LED indicators.
  • Wide Compatibility: Supports 3.7V Li-ion/IMR batteries from 10340 to 26650, including 20700 and 21700 formats.
  • USB-C Powered for Portability: Compatible with 5V mobile power sources, USB adapters, and solar panels—ideal for travel and outdoor use.
  • Multiple Safety Features: Includes reverse polarity protection, short circuit detection, thermal control, and automatic charging stop when complete.
  • Rugged & Certified: Made from fire-retardant PC material and certified for international safety and transport standards.

Compatible With:

  • 3.6V/3.7V Lithium Ion IMR Batteries: 10340, 10350, 10440, 10500, 12340, 12500, 12650, 13450, 13500, 13650, 14350, 14430, 14500, 14650, 16500, 16340 (RCR123), 16650, 17350, 17500, 17650, 17670, 18350, 18490, 18500, 18650, 18700, 20700, 21700, 22500, 22650, 25500, 26500, 26650

The Nitecore UI2 2 Channel Portable USB-C Battery Charger is the ideal choice for those who need a reliable, fast, and safe charging solution for multiple battery types.


Technical Info:

  • Input – DC 5V/2A 10W
  • Output - 4.2V±1%
  • Output current - 1000mA*2 (MAX)
  • SIZE/TYPE COMPATIBILITY -  18650  20700  21700
  • Data Specification Sheet:

Nitecore UI2 2 Channel Portable USB-C Battery Charger
What's in the box:

    • Nitecore UI2 2 Channel Portable USB-C Battery Charger
    • USB-C Charger Cord
    • User Manual
    • Scratch-off validation serial number