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    Nitecore UI2 Portable Dual-slot USB Li-ion Battery Charger

    Size Guide

    Stock# 52015

    Availability: In Stock


    Single slot max charging current of 1000mA. When a battery with a voltage below 2.9V is inserted the UI1 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, it will access the Standard Mode with a max charing current of 1000mA.

    • USB input with Automatic Adoption for the Optimal Charging Modes
    • Simultaneous charging and independent control of each slot
    • Multiple Charging Safeguards
    • Lightweight and Portable for outdoor charging


    • Input: DC 5V/2A 10W
    • Output voltage: 4.2V±1%
    • Output current: 1000mA*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


    • Multiple charging Safeguards:
      • Anti-short circuiting and reverse polarity protection: If the battery is inserted with polar reversed or short circuited, all 3 indicators will flash to indicate an error. 
      • Intelligent thermal protection: When the charger is overheated dur to the high temperature of the working environment, the UI1 will automatically regualte the charging current to protect the charge and the battery.
      • Automatic termination upon charging completion: When the battery is fully charged, all 3 indicators will glow steadily and the UI1 will automatically cease the charging process.
    • Constructed from durable and fire-retardant PC materials.
    • Micro-USB Port for Outdoor Charging: compatible with various mobile power source, solar panel and USB adaptors to ensure endless power supply.