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  • 15/01/2021

    Perfect would recommend to everyone.

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  • 28/04/2018

    I got one of these and found it so useful that I ordered three more. These units typically showed 0.4V below the rating on my bench supply and multimeter. At 30V+ input supply, a power resistor on the bottom of the board runs a little hot, so take care. A 3D printable vented case for this unit is found on Thingiverse as Thing #2850521 I used one of these, wired to the output terminals to replace the batteries powering six LightMates in my RV. This also left the USB port available for charging a phone etc. when the lights are off.

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  • 29/11/2018

    O produto funciona bem, porém a voltagem apresentada no visor falha ligeiramente em 1 a 2 décimas!

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  • 01/03/2019

    Muito bom produto 5*****

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  • 23/02/2021

    I am receiving

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  • 30/12/2020

    I liked it,good product

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  • 30/07/2020

    works as intended, great value for price connected to a 42v power source with no problems

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  • 23/04/2020

    everything perfect and in a short time

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  • ahsVIP3
    ZA
    15/10/2019

    Shipping was good and product is working very good

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  • 14/06/2019

    well pack in protective plastic pouch. Works good. Very satisfied

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