FNIRSI FNB58 USB Fast Charge Tester – USB-A, Type-C, Micro USB Power Meter with LCD Display
Upgrade the way you monitor charging performance with the FNIRSI FNB58 USB Fast Charge Tester. Designed for professionals, hobbyists, and everyday tech users, this advanced USB tester with LCD display provides real-time and highly accurate data on voltage, current, power, resistance, capacity, temperature, and more. Whether you’re testing USB chargers, power banks, mobile phones, or cables, the FNB58 USB digital tester delivers precision, safety, and confidence.
🔹 Key Features & Benefits
- Multi-Port USB Compatibility
Equipped with USB-A, USB-C, and Micro-USB ports, the FNIRSI FNB58 supports multiple devices and ensures accurate detection across a wide range of power sources and gadgets. - 2.0" TFT LCD Color Display
A bright TFT LCD screen with gravity sensor offers clear, six-digit real-time readings of voltage, current, and power. The display auto-rotates for easy viewing in any orientation. - Multifunction Digital Tester
Built with an external 16-bit ADC and PD protocol physical chip, the FNB58 accurately measures USB power consumption, D+/D- voltage, resistance, and capacity. Perfect for testing fast charging protocols and monitoring USB device performance. - Fast Charge Protocol Detection
Supports popular fast charge protocols including QC2.0/QC3.0, PD2.0/3.0, FCP/SCP, AFC, VOOC, WARP, and Super VOOC 1.0/2.0. Automatic monitoring and QC-to-PD protocol conversion provide maximum compatibility. - Advanced Parameter Recording
- Six-digit precision readings (voltage, current, power)
- 10 sets of switchable capacity, energy, and runtime statistics
- Voltage/current curve recording up to 9 hours
- Low-speed waveform drawing (2 sps–100 sps)
- High-speed ripple detection up to 4 Msps
- Comprehensive Detection Functions
- Wire resistance measurement via differential pressure method
- E-Marker cable chip reading
- DASH/WARP cable data reading
- Startup time recording
- Real-time temperature monitoring
- Built-in PD monitor
🔹 Technical Specifications
- Voltage Range: 4–28V
- Current Range: 0–7A
- Power Monitoring: 0–140W
- Capacity Range: 0–9999.99Ah
- Energy Range: 0–9999.99Wh
- Cable Resistance: 0–9999.9Ω
- D+/D- Voltage: 0–3.3V
- Runtime Tracking: Up to 99 days
🔹 Why Choose FNIRSI FNB58?
- High accuracy with 16-bit ADC for professional-grade testing
- Universal compatibility with USB-A, USB-C, and Micro-USB devices
- Perfect for engineers, technicians, and DIY users
- Helps diagnose faulty chargers, cables, and batteries quickly
- Portable, reliable, and easy-to-use tool for everyday USB monitoring
🔹 Eco-Friendly Design
To support sustainability, the FNB58 does not include a printed manual. Instead, users can access the digital manual, firmware updates, and app information via QR code inside the packaging.
✅ Invest in the FNIRSI FNB58 USB Fast Charge Tester for precision, durability, and confidence in every test. Perfect for anyone who needs accurate USB power measurement and fast charging protocol detection.
