FNIRSI FNB58 BT USB Port Tester with Bluetooth

The FNIRSI FNB58 BT is a versatile USB port tester with Bluetooth connectivity, designed for professionals and enthusiasts who need precise measurement of voltage, current, power, and more. It supports a wide range of fast charging protocols and features a 2.0-inch TFT LCD display for clear data visualization.

Advantages

High accuracy with voltage measurement resolution of 0.00001V and current resolution of 0.00001A. Bluetooth interface allows wireless data logging and analysis via PC software or mobile app. Supports multiple fast charging protocols including PD3.1, QC4+, and VOOC.

Suitable for

• Testing USB chargers and power banks
• Evaluating cable resistance and charging efficiency
• Diagnosing fast charging compatibility
• Data logging for long-term power analysis

Key specifications

• Display: 2.0-inch TFT LCD, 320x240 pixels
• Voltage range: 4-28V, resolution 0.00001V, accuracy ±(0.2‰+2) digits
• Current range: 0-7A, resolution 0.00001A, accuracy ±(0.5‰+2) digits
• Power range: 0-120W
• Energy range: 0-99999Wh
• Capacity range: 0-99999Ah
• Impedance range: 0-9999.9Ω
• Temperature measurement: 0-150°C (internal sensor)
• Data logging: up to 10,000 sets
• Communication: Bluetooth
• Supported protocols: PD3.1, QC4+, QC3.0, QC2.0, FCP, SCP, AFC, SFCP, VOOC, SuperVOOC
• Trigger protocols: PD2.0/3.0, PPS, QC2.0/3.0, FCP, SCP, AFC, SFCP, VOOC, SuperVOOC
• D+/D- voltage measurement: Yes
• Cable resistance measurement: Yes

Recommendations

For accurate and comprehensive USB power testing, the FNIRSI FNB58 BT is an excellent choice. Its Bluetooth feature and wide protocol support make it ideal for both field and lab use.