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  • 31/03/2021

    nice gadget

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  • 16/01/2020

    Quick delivery. Easy to use.

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  • 21/11/2021

    It doesn't help me, if it does what it says, it controls the voltage but not the Amperage and that doesn't work in my case, it works with very low amperage.

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  • 20/01/2020

    Tested: Works as expected. Very handy for quick tests... Add a couple wires with alligator clips and you have a pocket power supply! It is actually better than the title would suggest... it is not limited to the voltage steps shown in the title. It is continuously adjustable to any voltage from 1 volt to 24 volts.

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  • 02/09/2020

    Good device. Outputs 1.5 to 23V from power bank with very low ripple. Excellent power supply to my emergency toolbox.

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  • 29/08/2020

    Fast shipping

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  • 23/08/2020

    Great product, works as described perfectly

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  • 28/07/2020

    great device and easy to change voltage with a powerbank

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  • 08/06/2020

    Very fast delivery thanks for goog service

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  • 01/06/2020

    Very fast delivery thank you

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