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Heavy-duty Fnirsi Fnb58 Usb Voltage Ammeter Type-c Fast Charge Power Tester, Bluetooth, Without Bluetooth Take An Extra 55% Off [UZA9H65X]

$30.99 $99.99 -69%

FNIRSI FNB58 USB Voltage Ammeter: Ultimate Power Tester The FNIRSI FNB58 USB Voltage Ammeter is your go-to tool for precise power monitoring and testing. Designed with the latest technology, this versatile device offers comprehensive monitoring capa

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Heavy-duty Fnirsi Fnb58 Usb Voltage Ammeter Type-c Fast Charge Power Tester, Bluetooth, Without Bluetooth Take An Extra 55% Off [UZA9H65X]

FNIRSI FNB58 USB Voltage Ammeter: Ultimate Power Tester

The FNIRSI FNB58 USB Voltage Ammeter is your go-to tool for precise power monitoring and testing. Designed with the latest technology, this versatile device offers comprehensive monitoring capabilities for voltage, current, and power, making it an essential accessory for professionals and enthusiasts alike. With its sleek design and advanced features, the FNIRSI FNB58 is a reliable choice for ensuring optimal charging performance and safety.
  • Multi-Functionality: Monitor voltage from 4-28V, current up to 7A, and power up to 120W.
  • High-Resolution Display: A 2.0-inch LCD screen provides clear, high-definition readings for easy data interpretation.

Advanced Features and Specifications

The FNIRSI FNB58 USB Voltage Ammeter is packed with advanced features that enhance its functionality and usability. Its compatibility with various interfaces, including 5P high-current USB-A and 24P TYPE-C input and output, ensures seamless charging detection and testing. The device also supports automatic protocol detection, including PD2.0, PD3.0, PPS, QC2.0, QC3.0, and more, making it a versatile tool for a wide range of charging applications.
  • Real-Time Detection: With a 0.00001 low resolution, the FNIRSI FNB58 accurately detects subtle changes in voltage, power, and current during charging.
  • Driver-Free Installation: Enjoy efficient and convenient data synchronization with the Bluetooth APP, featuring overvoltage and overcurrent alarms.

Practical Uses and Benefits

The FNIRSI FNB58 USB Voltage Ammeter is not just a tool for professionals; it's also an invaluable asset for anyone looking to optimize their charging setup. Its comprehensive monitoring capabilities, user-friendly interface, and wide range of compatible interfaces make it an ideal choice for testing and improving the performance of various charging devices, from smartphones and tablets to laptops and power banks.
  • Enhanced Safety: The FNIRSI FNB58 helps ensure safe charging by providing real-time data on voltage, current, and power levels.
  • Efficient Troubleshooting: With its ability to detect subtle changes and support multiple charging protocols, the FNIRSI FNB58 aids in efficient troubleshooting and optimization of charging setups.

What Our Customers Say

January 22, 2026

Absolutely no complaints!

I'm happy with the purchase.

- Kara J..

January 22, 2026

Absolutely no complaints!

An amazing tool for everyday use.

- Lilian T..

January 22, 2026

Absolutely no complaints!

The perfect gift for anyone.

- Daniela D..

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