DX » Community » Reviews » 3.3" LED 4-Digit Red Display 3.5~7V 0~3A USB Power Charger Current Voltage Tester - Blue + Silver
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  • posted bybbaaddyy on 10/18/2016

    This tool works as expected, switches between Voltage and Current automatically.

    Impression:Quite good;

    0 0 0

  • posted byajtank on 08/25/2016

    Compact tool to measure USB output voltage and current. Results are fairly accurate. Price is also attractive. Recommended to all hobbyists.

    Impression:Quite good;

    0 0 0

  • posted bygabosieiro on 08/05/2016

    Maybe its just me, but i always get about half the amperage i sholud get. I know the charger and cable are delivering 2A because of charging times, but tester indicates only 1A.

    Impression:good;

    0 0 0

  • posted byjoelrengifo on 05/20/2016

    muy buen producto para su bajo coste, es muy bueno para efectuar mediciones de los aparatos conectado por puerto usb, indicandome el amperaje y el voltaje que circula por la pieza que se desea medir, esto tambien ayuda a proteger los puertos usb de la PC ya que los que vienen incorporados solo y... Read more

    Impression:excellent;

    0 0 0

  • posted byeinsteinecker on 05/15/2016

    Pros: I had problems at times with charging my smartphones and other devices, wondering why some take a long time and others don't. Using this, I was able to see why the slow charging devices were slow charging, and it really helped so much. Cons: The L shape of this product may not play nice USB... Read more

    Impression:excellent;

    0 0 0

  • posted byJosh101 on 04/27/2016

    I got this because i have been really interested in usb devices and now that they are so popular 5 volt devices are becoming a standard. This device couldn't be easier to use, just plug it in and it displays voltage and current. The display slowly cycles through both readings. This unit also has... Read more

    Impression:excellent;

    0 0 0

  • posted by9989230 on 03/25/2016

    zobrazuje napětí a proud po 5 vteřinových intervalech. Dobrá věc pro posouzení funkce nabíjení různých zařízení.

    Impression:Good stuff for reading amps in cellphone chargers;

    0 0 1

  • posted byaldarson on 02/26/2016

    Easy of use and works great. Switch before voltage and current in cca 3 sec intervals. Big light digits.

    Impression:Quite good,Good stuff for reading amps in cellphone chargers,nice leds;

    1 0 1

  • posted by9251387 on 02/13/2016

    Pros: very useful to check if a power charger device or an USB connecting cable is working correctly. Cons: none.

    Impression:Useful;

    0 0 0

  • posted byooooooooooo on 01/18/2016

    Worth the purchase even if you're not a geek :) This solved all my cable/charger issues. I've had a Samsung Galaxy S3 which was very picky on quality of cables - wouldn't charge at top speed if cable or charger weren't good. Now I have an LG G3 and a Doogee Y100X (bought on DX, and very I've gone... Read more

    Impression:excellent,Cheap,Useful;

    0 0 0

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