FNIRSI® FNB58 USB Fast Charge Tester

FNIRSI® FNB58 USB Fast Charge Tester is a professional USB power analyzer and fast charging protocol tester designed for measuring voltage, current, power, capacity, energy, cable resistance, and charging protocols across USB-powered devices. Equipped with a 2.0-inch TFT color display, integrated USB-A, USB Type-C, and Micro-USB interfaces, the FNB58 supports nearly all major fast charging protocols including PD, QC, VOOC, SCP, AFC, and more. It also features waveform recording, E-Marker cable detection, PD monitoring, and data logging, making it an essential tool for engineers, technicians, repair professionals, and electronics enthusiasts.

FNIRSI® FNB58 USB Fast Charge Tester Datasheet

Features:

1. 2.0-inch Full Color TFT LCD Display
2. Integrated USB-A, USB Type-C & Micro-USB Interfaces
3. 16-bit High Precision ADC
4. Supports USB Power Monitoring up to 140W
5. Fast Charging Protocol Analyzer
6. PD2.0 / PD3.0 Trigger Support
7. QC2.0 / QC3.0 Trigger Support
8. FCP / SCP / AFC Protocol Support
9. VOOC / WARP / Super VOOC Trigger Support
10. MTK-PE Automatic Detection
11. QC to PD Protocol Conversion
12. Cable Resistance Measurement
13. E-Marker Cable Detection
14. DASH Cable Data Reading
15. Real-Time Voltage, Current & Power Monitoring
16. Waveform Recording & Analysis
17. Internal Temperature Monitoring
18. Firmware Upgrade Support

Basic Specifications

Parameter	Value
Brand	FNIRSI®
Model	FNB58
Product Type	USB Fast Charge Tester
Display	2.0-inch TFT Full Color LCD
ADC Resolution	16-bit High Precision ADC
PD Controller	Dedicated PD Protocol Physical Chip

 

Measurement Specifications

Parameter	Value
Voltage Measurement	4V – 28V
Current Measurement	0 – 7A
Power Measurement	0 – 140W
D+ / D- Voltage	0 – 3.3V
Cable Resistance	0 – 9999.9Ω
Load Equivalent Resistance	0 – 9999.9Ω
Capacity Measurement	0 – 9999.99Ah
Energy Measurement	0 – 9999.99Wh
Temperature Display	°C / °F
Device Running Time	99 Days 23:59:59
Data Recording Time	99 Days 23:59:59

 

Fast Charging Protocol Support

Protocol	Support
USB PD 2.0	Yes
USB PD 3.0	Yes
Qualcomm QC2.0	Yes
Qualcomm QC3.0	Yes
Huawei FCP	Yes
Huawei SCP	Yes
Samsung AFC	Yes
MediaTek PE	Automatic Detection
OPPO VOOC	Yes
WARP Charge	Yes
Super VOOC 1.0	Yes
Super VOOC 2.0	Yes
QC2.0 → PD2.0 Conversion	Supported

 

Monitoring & Analysis Functions

Function	Support
Real-Time Voltage Monitoring	Yes
Real-Time Current Monitoring	Yes
Real-Time Power Monitoring	Yes
Capacity Statistics	Yes
Energy Statistics	Yes
Internal Resistance Measurement	Yes
Cable Resistance Test	Yes
D+ / D- Voltage Detection	Yes
Startup Time Recording	Yes
Onboard Temperature Monitoring	Yes
PD Communication Monitoring	Yes
Analog DASH Cable	Supported
E-Marker Cable Reading	Supported
DASH Cable Data Reading	Supported

 

Data Logging & Waveform Functions

Parameter	Value
Data Storage	10 Independent Groups
Waveform Recording	Supported
Low-Speed Sampling	2 SPS – 100 SPS
High-Speed Ripple Sampling	Up to 4MSPS
Waveform Display	Supported
Data Logging	Supported

 

Interface Specifications

Parameter	Value
USB-A	Integrated
USB Type-C	Integrated
Micro-USB	Integrated
Firmware Upgrade	Supported
PC Software Support	Supported

 

Physical Specifications

Parameter	Value
Display Size	2.0 Inches
Display Type	TFT Full Color LCD
Construction	Portable Handheld Design

 

Explore the FNIRSI Collection featuring advanced digital multimeters, oscilloscopes, signal generators, laser rangefinders, thermal cameras, USB testers, and precision electronic test equipment. Ideal for electronics engineers, technicians, makers, DIY enthusiasts, troubleshooting, circuit analysis, industrial maintenance, and professional measurement applications.

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Package Includes:

1 x FNIRSI® FNB58 USB Fast Charge Tester