New Arrival Nitecore UM20 Smart Charger with High Definition LCD Display for 18650 18490 18350 10440 Batteries

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Batteries are not included.
This product will not be shipped to the United Kingdom.



Brand: Nitecore
Type: Charger
Model: UM20
Charging Cell Type: Lithium Ion
Compatible: 10440,14500,16340 (RCR123),17500,17670,18350,18490,18650
Charging Cell Qty: 2
Input Voltage: DC 5V
Output Voltage: 4.2V / 5V


LCD Screen: Yes
Circuit Detection: Yes
Protected Circuit: Yes
Short Circuit Protection: Yes
Over Voltage Protection: Yes
Over Charging Protection: Yes
Over Discharging Protection: Yes

Dimension and Weight

Product weight: 0.0770 kg
Package weight: 0.1300 kg
Product size (L x W x H): 10.00 x 5.60 x 3.50 cm / 3.94 x 2.2 x 1.38 inches
Package size (L x W x H): 16.00 x 7.00 x 5.00 cm / 6.3 x 2.76 x 1.97 inches

Package Contents

Package Contents: 1 x Nitecore UM20 Smart 2 Slots Charger with High Definition LCD Display, 1 x Micro USB Cable

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Customer Reviews

4.91 out of 5
  • 142
  • 14
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  • Mustafa Aykanat
    My review
    This is a dual channel usb charger with automatic current select and a simulated CC/CV charge profile. It has a usb pass through connector, making it possible to charge two batteries and a phone without moving wires around. With the switch it is possible to select what get charged first: batteries or phone.
    To handle two batteries a fairly powerful usb power supply/charger is needed.

    The possibility to charge two 18650 with 1A on usb is rather impressive, in praxis the charger cannot do it, but will be slower. The lower charge current is useful for smaller batteries.

    I know a couple of times where I would have liked a charger with pass through function, but I would usual also like a power bank function at the same time.

    It is a good charger, but I wonder how useful the pass through function is.
    nothing yet

    Apr 23,2017

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  • Mateusz
    Perfect for charging on the go. With the micro usb it's perfect for power banks or any micro usb phone charger.
    It's a lot smaller than it looks on the description photos at gearbest. The display is nicely lit and I'm loving the percentage indicating the charging progress. When your drained batteries it basically tells you how much "juice" they can still hold making it easy to assess when they become useless.

    overall great product, highly recommended.
    None yet

    Jan 06,2016

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  • Serban Alexandru The
    Small and efficient charger
    Good price
    Small dimensions
    Very efficient
    Short and reverse polarity protection
    Good brand

    I've used an Soshine H2 charger before which was very big and had mini usb instead of micro usb which is very old.
    None so far, i am very pleased with this charger.

    Nov 03,2015

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  • Maximos
    Great product for this Price!
    - 100% authentic product
    - Plug and Play or for this product Plug and Charge!
    - Great LCD Display with very good contrast and brightness
    - Very easy to use
    - Nice stand if you want to leave on desk and see the % of charge from distance (do not have to go above the charger)
    - Until now (50 cycles of charge) didn't find something

    Nov 10,2015

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  • John Webb
    This is a neat little charger that packs down neatly and the intelligent charger aspect to it takes a lot of the mystery out of the charging and the health of your batteries. The device itself is well build and feels like a quality item and is a long way from the kind of cheap chargers that sometimes come free with some torches.
    It might have been nice if it came with a pouch or plug but that is just nitpicking.

    Oct 22,2015

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  • A
    Cheap but reliable charger
    Can charge 2 batteries at once with 1a for each battery, provided that the charger used is 2a or more

    Lightweighted and compact in size
    Easy for traveling
    None for this price

    Sep 02,2017

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  • Ian
    Great Compact Charger
    Light weight and portable. Able to charge a variety of battery sizes. USB charging makes it compatible with most mobile chargers. Also able to use batteries to charge mobile appliances simultaneously with the micro USB cable provided.
    None so far really.

    Jul 04,2016

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  • good

    Jun 19,2018

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  • Tom
    good charger
    The pass through charging charges my phone first then my vape batteries...good stuff...if I hook it up to a 2.4W USB it charges everything at the same time...good quality charger

    Sep 10,2016

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  • zennon
    quality charger
    works exactly as advertised, comes with the micro usb cable and shows percentage of charge only, cable can also be used for data transfer or for charging another device.

    Oct 05,2018

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