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DX » Community » Reviews » 4-Digit Red Display 3.5~7V 0~3A USB Power Charger Current Voltage Tester - Blue + Silver
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  • posted byairgunnut on 03/10/2017

    Impression:Useful;

    Useful to test if it's the charger or the cable that's at fault.

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  • posted bygabosieiro on 08/05/2016

    Impression:good;

    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.

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  • posted byjoelrengifo on 05/20/2016

    Impression:excellent;

    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

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  • posted byeinsteinecker on 05/15/2016

    Impression:excellent;

    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

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  • posted byJosh101 on 04/27/2016

    Impression:excellent;

    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

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  • posted by9251387 on 02/13/2016

    Impression:Useful;

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

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  • posted byooooooooooo on 01/18/2016

    Impression:excellent,Cheap,Useful;

    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

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  • posted bynyharel on 01/17/2016

    Impression:good,Cheap,Useful;

    I've recently noticed that not all USB charging cables are equal: Sometimes, when I use the same charger and phone, the choice of cable makes a significant difference in charge time. This cheap gadget is an excellent way to measure the amount of current that actually gets to my phone. It's how of... Read more

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  • posted byzenobe73 on 01/15/2016

    Impression:good;

    Pros: * Displays voltage and amperage intermittently Cons: * None

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  • posted byMaximusT on 01/14/2016

    Impression:excellent,Just what I need to test cables;

    I was actually just looking for a way to test iPad cables that are on sale, to make sure they really can do 'fast' 2.1 amp charging. This fits the bill perfectly for that. Looks very accurate, and the way it just sits inline with cable makes it perfect. I also now use it to test that an external... Read more

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