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  • April-28 2018 13:53:35

    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

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  • November-29 2018 13:00:09

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

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  • July-30 2020 10:06:11

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

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  • April-23 2020 12:48:35

    tutto perfetto ed in tempi brevi

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  • May-11 2019 01:24:58

    received and tested, all working fine,good product. the current consumption can be reduced for next release as with solar panels it is very difficult to get 1000 mA and the module consumes 400mA!

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  • April-07 2019 03:22:45

    very well made and reliable boards. I use for many gadgets as buck inverter , power meter and 12v phone charging. Excellent product

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  • March-01 2019 07:25:45

    Muito bom produto 5*****

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  • ahsVIP3
    ZA
    October-15 2019 14:35:08

    Shipping was good and product is working very good

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  • June-14 2019 09:15:20

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

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  • May-16 2019 14:51:29

    Schnelle Lieferung funktioniert wie es soll!

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