FNIRSI FNAC-28 USB-C USB-A 2-in-1 USB Tester

The FNIRSI FNAC-28 is a versatile 2-in-1 USB tester with both USB-A and USB-C connectors. It measures voltage (4-24 V), current (0-6.5 A), and power (0-156 W) with high accuracy thanks to a 16-bit ADC. The color OLED screen displays real-time data, and the device automatically identifies fast charging protocols such as QC 2.0/3.0, AFC, SCP, FCP, Apple 2.4A, VOOC, and more.

• 2-in-1 design: USB-A and USB-C inputs for testing cables, chargers, and power banks.
• High precision: 16-bit ADC with voltage/current resolution of 0.001 V/A and accuracy ±(0.2‰ + 2).
• Fast charge detection: Automatically recognizes QC, AFC, SCP, FCP, Apple 2.4A, VOOC, and other protocols.
• Data logging: Stores up to 5 measurement sets for battery capacity testing and cable analysis.
• Compact and portable: Dimensions 73×36×12 mm, weight only 21 g.

Ideal for technicians, engineers, and hobbyists to diagnose USB power issues and verify charger performance.