FNIRSI FNB58 USB Tester Digital Voltmeter Ammeter Type-C Fast Charge Detection Trigger Capacity Measurement Ripple Measurement
Discover the FNIRSI FNB58 USB Tester: a professional-grade digital voltmeter and ammeter with Type-C fast charge detection, capacity measurement, and ripple analysis. Ideal for testing power banks, chargers, and mobile devices.
Key points
- Accurate digital readings for voltage, current, and ripple
- Supports Type-C fast charging protocols (QC 3.0, PD 3.0, etc.)
- Built-in trigger capacity measurement for battery testing
- Real-time ripple analysis for power stability evaluation
- Compact, lightweight design for on-the-go use View product presentation
Color: FNB58


France
Similar products
Product presentation
Precision Meets Portability – Test Your USB Devices Like a Pro!
The FNIRSI FNB58 USB Tester is a versatile digital multimeter designed for professionals and hobbyists who need accurate power measurements. Featuring a high-precision display, this device allows you to measure voltage, current, and ripple in real-time, making it ideal for testing USB chargers, power banks, and other electronic devices. With built-in Type-C fast charge detection, the FNB58 identifies charging protocols such as QC 3.0, PD 3.0, and others, ensuring compatibility and efficiency. The trigger capacity function enables users to test battery performance by measuring charge cycles, while ripple measurement helps assess power stability. Compact, portable, and user-friendly, this tool is perfect for engineers, technicians, and DIY enthusiasts working with modern USB-powered electronics.
| Brand Name FNIRSI |
| High-concerned chemical None |
| DIY Supplies Electrical |
| Origin Mainland China |
| Voltage range Other |
| Battery Included No |
| Data Record Yes |
| Dimensions 42*13*82MM |
| Operating Temperature 0-50 |
| Display Type Digital Only |
| Power Supply AC |
| Certification CE |
| Model Number FNB58 |
| Power Source AC |









