This FNIRSI-FNB58 USB Voltage & Current Meter
Experience precise electrical measurement with this sleek, compact device that effortlessly fits in your hand. Its modern, dark gray metallic finish provides a sophisticated look, blending seamlessly into professional or personal settings. The large digital display vividly presents voltage, current, power, capacity, and energy data in bold fonts against a black background, with color-coded sections for quick assessment. Including multiple connection ports, such as “TYPE-C IN,” “MICRO USB,” and “TYPE-C OUT,” plus a visible green indicator LED, this device emphasizes convenience and clarity. Its minimalist design speaks to both form and function, making electrical troubleshooting and testing straightforward and reliable. Whether for professional diagnostics or personal experiments, this device embodies efficiency and style.
Keys features of the FNIRSI-FNB58 USB meter
- Measures voltage from 4V to 28V and current from 0A to 7A, supporting up to 120W power for versatile applications across devices and systems.
- Features a bright 82mm x 42mm digital screen with color-coded segments including gray, yellow, green, and purple for easy data differentiation during measurements.
- Supports fast charging protocols such as PD 3.0, QC 4.0, FCP, SCP, AFC, and PE, ensuring compatibility with a wide range of chargeable devices.
- Internal resistance load range of 0 to 9999.9Ω, capacity measurement up to 9999.99Ah, and energy measurement up to 9999.99Wh for comprehensive data logging.
- Records operational time and session duration up to 99 days, 23 hours, 59 minutes, and 59 seconds, ideal for monitoring long-term performance.
- Made with CE-certified components, available in Bluetooth-enabled and standard versions, offering flexible connectivity and seamless data transfer options.
This FNIRSI-FNB58 USB meter is perfect—get yours today!
Imagine effortlessly diagnosing and monitoring your electrical systems with clarity and confidence. This device guarantees precise measurements, reliable data, and user-friendly operation. Elevate your technical toolkit with a product trusted by professionals and enthusiasts alike. Its sleek design and advanced features make it an essential addition for anyone serious about electrical testing or charging optimization. Order now and experience the difference a high-quality, durable digital meter can bring to your projects, ensuring maximum efficiency and safety every step of the way.



















