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  • Grayed
    CA
    2018-04-28 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

    Comments
  • 2018-11-29 13:00:09

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

    Comments
  • Leizure
    PT
    2020-07-30 10:06:11

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

    Comments
  • 2020-04-23 12:48:35

    tutto perfetto ed in tempi brevi

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  • ahs
    ZA
    2019-10-15 14:35:08

    Shipping was good and product is working very good

    Comments
  • 2019-05-11 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!

    Comments
  • 2019-04-07 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

    Comments
  • winsin
    TW
    2019-06-14 09:15:20

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

    Comments
  • Schwab
    DE
    2019-05-16 14:51:29

    Schnelle Lieferung funktioniert wie es soll!

    Comments
  • 2019-04-29 05:25:46

    57/5000 Output voltage OK, at 1.4 A load stops working.

    Comments
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