The Ultimate Diagnostic Tool for USB-C Power

Are you tired of buying "fast" chargers and cables only to find your devices still charging slowly? In the complex world of modern power delivery, you need more than just blind trust.

Enter the FNIRSI FNB-C2 USB-C Tester. Designed for tech enthusiasts, engineers, and repair professionals, this compact analyzer takes the guesswork out of your power setups. By sitting between your charger and your device, it reveals exactly what's happening under the hood in real time.

Lab-Grade Precision in Your Pocket

When it comes to power diagnostics, accuracy is everything. The FNB-C2 utilizes an external 20-bit high-precision ADC chip, delivering an incredible 7-digit resolution (0.000001V/A/W). Whether you are measuring a low-power wearable or a massive 240W gaming laptop, you get laboratory-grade measurement data right on a crystal-clear 1.54-inch rotating HD display.

Master Every Fast Charging Protocol

Incompatibility is the enemy of fast charging. The FNB-C2 is fully equipped to handle the latest PD3.1 (EPR) standards alongside UFCS, QC2.0-QC5, Huawei FCP/SCP, and more. It doesn't just read the current; it actively monitors PD protocol negotiation and packet capture, helping you instantly troubleshoot why a specific charger won't fast-charge your phone.

Deep Dive into Power Stability

A charger might push high wattage, but is the power clean? Dirty power can degrade your device's battery over time. With the FNB-C2's dual-mode ripple testing and 9-hour curve recording, you can visualize voltage stability over time. Plus, with driver-free PC software integration, you can export and analyze your power data on a larger screen to optimize efficiency and ensure absolute device safety.