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4.96 out of 5
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  • 20/02/2021

    Delivered after two weeks from Czech Republic to Lithuania. Package arrived safely, thank Banggood team. Very nice and handy charger from one of the best manufacturers for reasonable price, small and with sufficient amount of produced current. Micro USB cable is 70 cm, smooth springs. It is worth reading before you buy: https://lygte-info.dk/review/Review%20Charger%20Nitecore%20UM2%20UK.html Disadvantages: - A noise of high frequency during a charge. - No longer showing battery internal resistance. It is available just in UM4 model. Maybe it can be activated by acknowledged person during disassembly/some soldering, etc. - There is no automatic current selection as stated in features of this unit per manufacturer. It is neither based on internal resistance or battery size based on length. It doesn’t matter which battery you would insert (AAA NiMH, 21700 LiIon), charger will still select 500 mA as starting point for 5V source. For 9V you have to step down the current for “little” batteries. - Even there is no option for this charger, it would be nice to see a discharge feature, especially storage mode if you decide to leave batteries for longer period of no use. - Once battery is charged and cut off, screen doesn’t show actual reading/voltmeter, just what was at the end. If you possibly take out battery some hours after charging, the actual reading could be less due a littler drain by charger. Advantages: + Very simple and user friendly menu/screen size. Fast settings change. + Current of 0.1 A step increase. + Activation of over discharged batteries (confirmed by myself as well). + 21700/26700 can be inserted even with PCB. There are just a few chargers in the market that can do this. Thank you

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  • 19/03/2020

    One of the best USB chargers what I ever tested. It is 2 slot charger for a Liion,LiFePo, NiCd, NiMh chemistry. It can detect automatically the type of battery, voltage and current levels. It shows both the charging amps,charging voltage and charging capacity. It can be manually set and the level for a single slot up to 1.5 Amps. It is well build and designed. Great charger from Nitecore.

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  • 11/01/2020

    For me so far this is the best charger. If i put one battery in, automatic recognize the battery (1.5v, 1.3v, 3.4v, li-ion, ni-nhm etc). LCD screen is very good and nice backlight.

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  • 15/01/2021

    I think it's a great Charger, a very info display, showing every battery with level lines for the progress of each one, 4 modes of charging. The variety of batteries that can be charged is big (look photo of the box for battery types & characteristics). 17 days delivery to Greece!

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  • 13/03/2020

    The thing that enticed me to buy this charger is the fact that it can deliver 1500mA/slot to both slots when coupled with a 18W quick charger. Tested this feature and it does so, indeed. It charged 2 Sony VTC5 from 3.8V to 4.2V in about 50 minutes. Heating was minimal. Very happy with the purchase.

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  • 10/01/2021

    The order arrived faster than expected, the box came a bit beaten but the battery charger comes in good condition inside its box, it works very well has been used and is an excellent product, recommended just like the seller or store.

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  • 23/09/2019

    40 days delivery time :( box came twisted, but Nitecore has great plastic protection inside, so everything is ok. Charger works well and its good for this price.

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  • 22/01/2020

    very good :D

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  • 16/01/2021

    A Perfect Charger For 18650 Batteries And Not Only. Arrived In Greece In 25 Days. Thank You.

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  • 24/11/2020

    good product, as described, by looking at the mAh of the batteries when charging I can see their actual capacity. I have some batteries purchased with capacity of 2400 mAh and I have that only has 350 mAh... I won't be fooled anymore. If I buy some batteries and pay for some rechargeable batteries and it only gives me 350 mAh sir@s they are cheating us.

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