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Reviewed in the United States on March 19, 2025
This is ONLY an in-line tester, meaning if you just plug this device into a USB outlet it does nothing. This is an in-line only tester meaning you have to connect it between the power outlet and the device being charged.If you just want to test a USB power source, this is not the device for you.
Eric
Reviewed in the United States on February 15, 2025
Out of the box it was about +.4V off but once calibrated it's spot on. Easy to do, plug in a charger that puts out exactly 5 volts and go to the language/calibration screen, navigate to the "calibrate" push and hold the down button until it says "OK" While you are calibrating do not have it connected to anything other than the charger. No load.
Stacey Maciorski
Reviewed in the United States on January 9, 2025
The media could not be loaded.
JayBear
Reviewed in the United States on December 28, 2024
There are TONS of cost friendly USB power meters out there, but I opted for this one after the review posted by AllThingsOnePlace on YouTube. Overall I'm quite happy; the meter works exactly as described here on Amazon as well as what he showed on his review. Seeing peaks, as well as Wh and current stats are all quite helpful. The graph feels gimmicky but cool to see none the less.If you just want to see what your USB-C devices are doing for the cost of a nice lunch, I don't think you can go wrong with this.
John’s review corner
Reviewed in the United States on November 5, 2024
Does well and is nice and small no over complicated dongles and such to plug in like others
Customer
Reviewed in the United States on November 5, 2024
I use this item 4 times and now the screen doesn't turn on... Die. Won't recommended.
db
Reviewed in the United States on November 27, 2024
I needed a cheap USB-C type power monitor, this was recommended by a friend, it does the job perfectly. It comes in a nice metal box for protection.
OCK913
Reviewed in the United States on November 22, 2024
The amount of info provided by this tiny device is pretty impressive. With this tool, you can test any of your charging adapters, cables, charging ports, or USB battery power supplies to determine if they are putting out the voltage that they claim. Great little tool for the electronics tool box.
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