Unveiling the FNIRSI-FNB58: A Multi-Functional Tool for Your Fast Charging Needs

In today’s tech-driven world, ensuring optimal performance from our devices and chargers is crucial. The FNIRSI-FNB58 emerges as a multi-functional device designed to diagnose and optimize your fast charging experience. This article explores the functionalities of the FNIRSI-FNB58 and how it can benefit you.

Features of the FNIRSI-FNB58:

  • USB Voltage and Current Meter: The FNIRSI-FNB58 acts as a voltmeter and ammeter, precisely measuring the voltage and current delivered by your USB charger or power bank. This allows you to verify if your charger is meeting the specifications required for fast charging your devices.
  • Multi-Functional Fast Charging Tester: This device goes beyond basic voltage and current measurement. It can test various fast charging protocols like QC (Quick Charge) and PD (Power Delivery), ensuring compatibility between your charger and device.
  • HD Screen Display: The FNIRSI-FNB58 features a high-definition screen that clearly displays charging information, including voltage, current, power (watts), capacity (mAh), and time. This comprehensive data provides valuable insights into your charging process.
  • Human-Computer Interaction: This tester boasts user-friendly controls, allowing you to easily navigate through the menus and access various functionalities.
  • Cable Detection: The FNIRSI-FNB58 can identify and diagnose potential issues with your charging cables. This feature helps ensure that your cables are not hindering optimal charging performance.
  • Compact and Portable Design: The FNIRSI-FNB58 is small and lightweight, making it a convenient tool to carry around in your bag or pocket.

Benefits of Using the FNIRSI-FNB58:

  • Optimize Charging Performance: By identifying potential issues with chargers and cables, the FNIRSI-FNB58 helps you ensure your devices are receiving the fastest and most efficient charge possible.
  • Troubleshoot Charging Problems: Experiencing slow charging? The FNIRSI-FNB58 can assist in diagnosing the root cause, whether it’s a faulty charger, cable, or incompatibility issue.
  • Invest in Informed Charger Purchases: When buying a new charger, you can use the FNIRSI-FNB58 to verify its specifications and ensure it meets your device’s fast charging requirements.


– Brand: FNIRSI

– Model: FNB58

– Type: Voltage and Current Meter Tester

– Color: Blue(with Bluetooth)/Black(without Bluetooth)

– Monitor voltage: 4~28V

– Monitor current: 0~7A

– Monitor power: 0~120W

– Load Equivalent Internal Resistance: 0-9999.90Ω

– D+/D-voltage: 0~3.3V

– Device Temperature: °C/°F

– Capacity: 0~9999.99Ah

– Energy used: 0-9999.99Wh

– Cable internal resistance: 0~9999.90Ω

– Equipment runtime: 99 days 23:59:59

– Record time: 99 days 23:59:59

– Size: 82×42×13mm

– Weight: 70g


The FNIRSI-FNB58 is a valuable tool for anyone who wants to maximize their fast charging experience. With its versatile functionalities and user-friendly design, this device empowers you to diagnose charging issues, optimize performance, and make informed decisions about your chargers and cables.

Ready to take control of your fast charging experience? Consider adding the FNIRSI-FNB58 to your tech toolbox. This investment can save you time and frustration in the long run, ensuring your devices are always charged quickly and efficiently.

Please note that this blog article may contain affiliate links, which means we may earn a commission if you purchase them. However, this comes at no additional cost to you and helps support our efforts in providing valuable content.

Via: gadget-rumours.com

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