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    2020-04-30 02:01:49

    It is interesting capacity Liion 18650 cells tester. One side is for powering ekectronics circuits and the other is for testing capacity. It works fine showing both the capacity in mAh or in mWh. The controll is a bit confuse but I used for it. It is cheap but reliable. I rather move the discharging resistor far awy from the cell because of intensive heat production by the testing. Usable product for DIY makers.

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    2020-08-02 13:09:10

    I like it, it’s good for the price. I wish it had English silk screen instead and moved the resistor away from the cell. I made a heat shield put of copper tape and I also moved the resistor up and further away as it produces quite a bit of heat.

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    2020-07-29 07:14:53

    Work very well. Good product, very fully functionnal. I like it. Lot of options like : - control voltage in stand-by and during discharge. - choose level voltage to stop discharge (configurable also in work). - swap mAH to mWH (configurable also in work). - work on battery or external power supply. And thank you my god, a true power switch button (save the batt. yeah!).

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    2020-04-15 07:29:20

    МНОГО ДОБЪР И ТОЧЕН.ВРЕМЕ НА ТЕСТВАНЕ ОТ 1 ДО 6 ЧАСА>

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    2020-08-08 04:56:59

    very good

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    2020-08-04 09:36:36

    Good functional tester for 18650 battery.

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    2020-07-07 22:41:36

    Works well for battery health tests

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    2020-06-08 01:38:54

    Arrived earlier amidst COVID-19 delays, well packed. Yet to be tested.

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    2020-06-23 00:57:48

    Gyorsan megérkezett! Szuper!

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    2020-06-10 21:21:11

    Due to the Constant Resistance rating and varying Voltage nature these capacity testers are ok for that your doing. You getting a fair reading at the end of the test. NOT Perfect but fair. As the Cell voltage goes down the Current goes down. These testers provide a in the ball park capacity reading. It would have been better if they provided a Resistor that centered on the Batteries NOMINAL voltage of 3.7v. That way the Upper and Lower Limits measured would be more equal. A 3.0 Ohm resistor

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