Product Details

FNIRSI Test & Measuring Module

FNIRSI-FNB58 USB QC/PD Voltage and Current Meter Tester Type-C Multi-functional Fast Charging Tester HD Screen Display Human-Computer Interaction Cable Detection Measure Module

Last updated: 20 August 2025
4,93 208 reviews
🛒 42,79$ from Banggood 🛒
Type: Without bluetooth Black Color
Ship From: CN
3.218 Heats
1.691 Wishlist
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Questions and Answers
Q

I cannot find the App on the Apple AppStore. How is it called there? As I do not have any Android devices the APK is not helpful for me.

by MichaelBernhardt, on 25 December 2022
A

I am not able to post the company website here. Look up fnirsi in your search engine.

by BG124644135, on 25 December 2022
Q

FNB5B or FNB58

by takisg, on 09 December 2022
A

you can Google fnirsi and go to their website. you will be able to download the apk and pc suite and manual from there.

by Ahish, on 03 December 2023
Reviews
5 out of 5 stars
holecsko on 13 August 2025

The device works very well, it can do much more than the cheaper Chinese clones. It not only outputs the protocols but can also test the cable's E-marker chip and shows the impedance as well. The current flow is much better than the weaker versions - for example, with an original 120 W Xiaomi charger, I previously measured max. 65 W, but with this one, I measured ~73 W, even though the phone was only at 15% and was not cooled. The menu system is detailed but transparent. Values can be monitored via a phone app or PC via Bluetooth. Interestingly, the microUSB-B connector is linked to the USB-C section on the PC, not on a separate USB-C port. A small peculiarity: when testing a USB-C cable with an E-marker chip, the PD Key switch must first be set to OFF, go into the cable test menu, plug in the cable, and then switch to ON - this way it reads the data correctly. Overall, a very precise little device with many functions that I am still discovering, but I am already completely satisfied with it.

5 out of 5 stars
AtisH on 06 April 2025

The delivery took about 10 days. Assembly and packaging are good. Its measurements are correct, matching reality. Bluetooth connects quickly. It can be connected to a computer via micro USB cable, and the firmware update also goes through this. I am satisfied with the promotional price and the product.

5 out of 5 stars
BG454171720 on 29 January 2025

I have just unpacked it and I am pleasantly surprised, this is the first time I have bought something from FNIIRST. A very well-cared product. I have tried it briefly with a 120W mobile charger and the amount of information it provides is spectacular. Even without reading the manual, its use is very intuitive and illustrative. A complete success.

5 out of 5 stars
ionize on 12 December 2024

This is a great USB tester with many functions. The packaging is great and the box feels premium. Works really great. Still I need to update the firmware to latest version as you can see from the SUMSUNG typo in protocol detection.

5 out of 5 stars
lomgkoq on 23 August 2024

Useful and complete instrument for these new multi-voltage chargers.

5 out of 5 stars
lazok80 on 24 April 2024

It arrived undamaged and quickly. A great USB device with an excellent display! I still have to study it because it knows a lot and I will update the firmware. It was worth the cost!

5 out of 5 stars
JugaadGR on 10 April 2024

Amazing tool, worth every penny. _Great interface and tons of functionality._No manual in the packaging, but you can download it from Fnirsis website.

5 out of 5 stars
dloreg on 05 December 2023

Very useful tool for measuring USB devices. Fast shipping as usual from Banggood..

5 out of 5 stars
andrandr on 14 November 2023

Very multifunctional device. It came in great condition. Surprisingly, there was no instruction manual in the box. 🙄 Using the QR-code on the box or following the link www.fnirsi.com.cn/support you can download the manual, the program for updating the firmware, and the firmware themselves as they appear, and the mobile app Bluetooth - access and control for Android. It's a great device. I recommend it.

5 out of 5 stars
gfinstrum on 21 August 2023

Very fast delivery ten days, basic packaging, but material arrived in good condition and functional, it corresponds exactly to the description of the shop, very satisfied with the product, in line with my expectations. Thank you.