FNIRSI FNB48P USB Port Tester Black

The FNIRSI FNB48P USB Port Tester is a professional-grade device designed for accurately measuring voltage, current, power, capacity, and energy of USB ports. It supports a wide range of fast charging protocols including PD3.0/2.0, QC4+/3.0/2.0, SCP, FCP, AFC, PPS, VOOC, SuperVOOC, DASH, and Warp Charge. With a 1.77-inch TFT LCD display, it provides clear real-time readings. The tester features dual USB-A and USB-C input/output ports, making it versatile for testing various devices. It also includes data logging for up to 10 sets of data, internal resistance measurement, D+/D- voltage measurement, and PC software support for Windows.

Advantages

High precision with 0.00001V and 0.00001A resolution, wide measurement ranges (0-28V, 0-8A, 0-240W), and support for multiple fast charging protocols make this tester an essential tool for technicians, engineers, and hobbyists. Its compact design and backlit display ensure easy operation in various lighting conditions.

Suitable for

• Testing USB chargers and power banks
• Diagnosing charging issues in smartphones, tablets, and laptops
• Evaluating fast charging performance
• Educational and laboratory use

Key specifications

• Display: 1.77-inch TFT LCD
• Input/Output Ports: USB-A, USB-C
• Voltage Range: 0-28V, Resolution: 0.00001V, Accuracy: ±(0.1% + 2 digits)
• Current Range: 0-8A, Resolution: 0.00001A, Accuracy: ±(0.1% + 2 digits)
• Power Range: 0-240W
• Capacity Range: 0-99999mAh
• Energy Range: 0-99999mWh
• Load Impedance Range: 0-9999.9Ω
• Temperature Range: -10°C to 100°C / 0°F to 200°F
• Supported Protocols: PD3.0/2.0, QC4+/3.0/2.0, SCP, FCP, AFC, PPS, VOOC, SuperVOOC, DASH, Warp Charge
• Data Logging: 10 sets
• Internal Resistance Measurement: Yes
• D+/D- Voltage Measurement: Yes
• PC Software Support: Windows
• Colour: Black

Recommendations

For best results, use with a known good USB cable and power source. The PC software allows for detailed analysis and data export. Ensure the tester is connected correctly to avoid damage.