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Selected Store
Stock 9 pieces
Skroutz Buyers Protection
Prices are calculated for:Luxembourg, Other Payment Options
USB port testing device.
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Simple device that does exactly what it says, shows voltage and current in a USB port.
I used it on a regular charger and a fast charger to check the charging of my mobile phone and Power Bank. Also on a laptop to check the operating current of a USB flash drive and hard drive. I cannot know its accuracy, but the values I saw at the beginning and end of the charging, as well as from device to device, were as expected.
The first 2 weeks were fine, then the problems started. At first, the screen brightness dropped, which I didn't really care about. Then the voltmeter screen went off and the ammeter constantly flickered. I don't know if it's the specific part's fault, but it's unacceptable for it to break in less than a month.
I use it for mobile repairs and it has been working perfectly for a year now. It supports fast charging at least up to 9.2 volts, I don't know about higher. It is definitely worth the price.
It works as promised. It seems to not work with currents below 0.1A, but considering its price, it's fine.
Verified purchase
It seems to be very good, I have not verified the prices it gives if they are valid
Verified purchase
Very good device and useful. Yes.
Verified purchase
Very good, I recommend it to you.
Verified purchase
It does what it says. Now, as for accuracy in measurements, etc., I don't know, but you can draw conclusions.
Verified purchase
Device that does exactly what it should.
Verified purchase
VA measuring device that does its job well. Excellent service!!
Verified purchase
good product for measuring usb ports
Whatever indications....wasted money..stay away.
Verified purchase
Very simple and very useful.
Great deviation in the indications.
Delays the charging of devices too much, very much.
Verified purchase from Cosmo-market