FNIRSI FNB58 Review – The Best USB Tester for PD, QC, E-Marker & More?

🧪 Looking for a high-quality USB tester that finally gets it right? Meet the FNIRSI FNB58, one of the most feature-packed and affordable USB-C power testers on the market. In this video, I’ll review the FNB58, show how to use its key features, and test its accuracy for everyday tech repairs and diagnostics.
🔍 Covered in this video:
– USB power monitoring (voltage/current)
– PD trigger, QC trigger, and PD listener modes
– USB-C E-marker cable reading
– Load testing and real-time logging
– User interface & hidden functions
Whether you're a hobbyist, repair tech, or just curious about your phone charger’s actual output — this tester delivers.

Affiliate links:
FNIRSI FNB58:
Amazon: https://amzn.to/4mKBqAE
AliExpress: https://alii.pub/6px7ow
AVHzY USB testers:
Amazon: https://amzn.to/46yPvw7
10W USB Load: https://alii.pub/6j0b7e
65W USB load: https://alii.pub/6px7z7

Support my project:
via Amazon: https://amzn.to/3Kw6OFt
via PATREON: https://www.patreon.com/2013ElectronicsComputers

Monetize your Clicks and Downloads: https://publisher.linkvertise.com/ac/18339
https://youtu.be/MLxm3Sm8ZFg

#FNIRSI #FNB58 #USBTester #USBPowerMeter #PDTrigger #QCTrigger #EMarkerReader #USBTestingTool #USBCTestTool #FNIRSIReview #USBTesterReview #PowerDeliveryTester #TechTools