FNIRSI FNB48P USB Port Tester Black

The FNIRSI FNB48P is a professional USB port tester designed for precise analysis of charging processes. It supports multiple interfaces (USB-A, USB-C, Micro USB) and a wide range of fast charging protocols including QC2.0/3.0, USB PD, Samsung AFC, Huawei FCP/SCP, OPPO VOOC, DASH, WARP, SuperVOOC, and PE+. With a maximum current of 6.5 A and high-resolution measurement (0.00001), it provides accurate voltage, current, and power readings.

• Comprehensive protocol support – Detects and verifies the most popular fast charging standards.
• Intelligent cable analysis – Measures cable resistance and reads e-marker data from PD and DASH cables.
• Data logging & graphing – Records up to 10 groups of data; displays voltage/current, DD voltage, offline recording, and power ripple graphs.
• Clear 1.77-inch HD display – Shows all key parameters with automatic screen rotation.
• Robust metal housing – CNC-milled aluminum body for durability and professional look.

Ideal for technicians, engineers, and enthusiasts who need to evaluate charging performance and cable quality. The FNIRSI FNB48P is a versatile tool for both lab and field use.