FNIRSI FNB48P USB Fast Charge Tester

The FNIRSI FNB48P USB Fast Charge Tester is a professional USB power analyzer designed for testing and diagnosing USB chargers, power banks, cables, and mobile devices. It accurately measures voltage, current, power, capacity, and charging protocols, making it an essential tool for electronics technicians, engineers, and hobbyists.

Equipped with a high resolution color TFT display, a precision 16 bit ADC measurement system, and support for multiple fast charging protocols, the FNB48P provides detailed real time analysis of USB power performance. It supports USB A, Micro USB, and USB C interfaces, allowing compatibility with modern smartphones, laptops, and power supplies.

The tester can monitor charging voltage/current, trigger fast charge protocols, detect cable quality, and analyze charging efficiency, helping users diagnose charging issues or evaluate power adapters and cables with high precision.

Compact and portable, the FNB48P is ideal for bench testing, field diagnostics, and electronics development environments.

Highlights:

• Professional USB power analyzer for chargers, cables, and power banks.
• High resolution color TFT display for real time measurement visualization.
• Measures voltage, current, power, capacity, and energy simultaneously.
• Supports multiple fast charge protocols including QC2.0, QC3.0, PD, SCP, FCP, AFC.
• USB A, Micro USB, and USB C interfaces for wide device compatibility.
• Fast charge protocol detection and trigger support.
• High precision measurement using external 16 bit ADC.
• Data storage and capacity measurement functions.
• PD E Marker cable detection for USB C cable analysis.
• Compact portable design for bench and field testing.

Specifications:

General

• Model: FNIRSI FNB48P.
• Display: 1.44″ TFT Color Screen.
• ADC Resolution: 16 bit external ADC.
• Data Storage: Up to 10 measurement groups.
• Interfaces: USB A, USB C, Micro USB.
• Working Temperature: −10°C to 60°C.
• Dimensions: ~85×30×12mm.
• Weight: ~80g.

Electrical Measurement

• Voltage Range: 3.8-24V.
• Current Range: 0-6.5A.
• Power Range: Up to ~165W.

Fast Charge Protocol Support

• Qualcomm QC2.0 / QC3.0.
• USB Power Delivery (PD).
• Huawei FCP / SCP.
• Samsung AFC.
• Apple 2.4A.
• MTK PE fast charge protocols. 

Ideal For:

• 🔌 Testing USB chargers and power adapters.
• 📱 Analyzing smartphone and tablet charging performance.
• 🔋 Power bank capacity and efficiency testing.
• 🧰 USB cable quality and voltage drop diagnostics.
• 🔧 Electronics repair and troubleshooting.
• 🎓 Engineering labs and electronics education.