Products > Test Equipment

Which USB power tester do you recommend?

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Its wednesday my dudes:
Hi guys,

I wanted to get a USB power meter/tester and I am kinda overwhelmed by the mass of mostly cheap looking USB power tester/meters. After looking around I setteled for this one https://www.amazon.de/dp/B07DCS11GM
I ordered one, tried it on a broken e-reader I intend to fix, and the screen went all fuzzy permanently after connecting the e-reader. I thought I had bad luck, ordered another one and the same problem occured.

So I am back again at picking one. My question is what USB power meter/tester you guys are using/recommending and if it has some kinde of short circuit protection (?) to not getting fried, just because a bad device was connected?

Thanks a lot for your input!

nctnico:
I have this one. Works pretty well.
https://joy-it.net/en/products/JT-TC66C

You shouldn't be super concerned about short circuits because USB ports are typically current limited.

4thDoctorWhoFan:
I have a couple of these CT-3 USB testers and they are nice.
https://www.amazon.com/AVHzY-Digital-Multimeter-Detector-26-0000V/dp/B073R7YRM9/ref=sr_1_3?keywords=usb%2Bct3&sr=8-3&th=1

BILLPOD:
    My most used  USB Tester is my J7-C, as it is the easiest to control of all of the ones I have, (I try out most as they come out).   Most of them have a convoluted control system of push-button and rocker switches, that are NOT intuitive AT ALL.   The J7-C takes just 4 clicks of the push-button switch, to navigate it's menu.
      I also like my UD18, as it is easy to control with my tablet, using Bluetooth :)

ddavidebor:
I have tried many of these as I design and manufacture tablet computers.
In my experience, the best are from ChargerLab. the KM003C is the latest
https://www.chargerlab.com

https://www.chargerlab.com/introducing-the-brand-new-power-z-km003c/

However, this might be overkill for your needs.

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