NITECORE UM20 Dual Slot Smart Battery Charger USB Output with LCD Screen

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Equipped with a LCD display screen on the top, UM20 can display the real time charging process directly.


Being tiny and portable to carry, NITECORE UM20 has only one battery slot. However, it still has equipped with a LCD display screen on the top. Designed for the Li-ion and IMR batteries, this UM20 battery charger can not be used to charge the AA, AAA and 26650 batteries, please be advised.


  • Intelligent CC/CV charging.
  • Automatically stops charging upon charging completion.
  • Activates 0V batteries for recycling to use.
  • Revers polarity protection, no more worry about damaging your batteries.
  • Spring loading slider designed to accommodate batteries of different sizes.
  • Adjusts charging power based on detected battery capacity.
  • High definition LCD displays real-time charging status.
  • When input power is sufficient, the UM20 will charge the battery and device simultaneously.
  • When input power is not sufficient to charge the battery and device simultaneously, the UM20 activates the priority mode.
  • UM20 can also serve as USB data transfer medium.
  • Prioritizes charging process based on user preference.
  • Constructed from fire retardant material. Guaranteed top safety.
  • Rear USB cable winder and grooves accommodate.


Model UM20
Input Voltage Micro USB, DC 5V
Output Voltage 4.2V±1%/5V
Output Current 1000mA/500mA
Dimensions 100 x 38 x 35 mm
Weight 57g(without cord and battery)
Compatible With Li-ion/IMR 18650, 18490, 18350, 17670, 17500, 16340, 14500, 10440
Package Contents 1 x NITECORE UM20 Charger
More Information
SKU ZP3050251515091
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