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:   / 2013electronicscomputers   Monetize your Clicks and Downloads: https://publisher.linkvertise.com/ac/...    • Linkvertise Review 2026 – Earn Money by Sh...   #FNIRSI #FNB58 #USBTester #USBPowerMeter #PDTrigger #QCTrigger #EMarkerReader #USBTestingTool #USBCTestTool #FNIRSIReview #USBTesterReview #PowerDeliveryTester #TechTools