USB Tester - FNIRSI FNB-C2, 50 V 6.5 A 240 W With 1.54 Inch Screen
Product reference: 14-5905156108127

FNIRSI FNB-C2 - USB power tester that measures voltage, current, power, capacity, energy, and charging protocols up to 50 V, 6.5 A, and 240 W. The device reads the E-Marker data of the USB-C cable, analyzes the waveform and pulsations, records data, and has a 1.54-inch color display.

USB Tester - FNIRSI FNB-C2, 50 V 6.5 A 240 W With 1.54 Inch Screen

Product reference: 14-5905156108127

FNIRSI FNB-C2 - USB power tester that measures voltage, current, power, capacity, energy, and charging protocols up to 50 V, 6.5 A, and 240 W. The device reads the E-Marker data of the USB-C cable, analyzes the waveform and pulsations, records data, and has a 1.54-inch color display.

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63,39 €
Product in warehouse

Guarantee
24 month

Delivery from Europe in
15 - 16
business days

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FNIRSI FNB-C2 USB tester


FNIRSI FNB-C2 - USB power tester designed to measure voltage, current, power, capacity, energy, and charging protocols up to 50 V, 6.5 A, and 240 W. It reads the E-Marker information of the USB-C cable, analyzes waveforms and oscillations, records data, and has a 1.54-inch color display.


  • Professional USB power tester for measuring voltage, current, power, capacity, energy consumption and charging parameters.
  • Supports USB-C Power Delivery 3.1 EPR up to 240W, as well as QC, UFCS, Huawei, OPPO, and VIVO fast charging standards.
  • Reads USB-C E-Marker cable information and supports cable emulation, allowing you to check power parameters, data transfer rate, and compatibility.
  • Performs power quality analysis, monitors waveforms and oscillations, and logs data. 1.54-inch color display automatically rotates.

Product information

Product type USB power tester
Brand FNIRSI
Model FNB-C2
Screen 1.54 inch color TFT-LCD, 240 × 240 pixels
Complete set USB tester and user manual

Measurement specifications

ADC External 20-bit analog-to-digital converter
Voltage measurement 4-50 V; resolution: 0.000001 V; accuracy: ±(0.2 ‰ + 2)
Current measurement 0-6.5 A; resolution: 0.000001 A; accuracy: ±(0.5 ‰ + 2)
Power measurement 0-240 W; resolution: 0.000001 W; accuracy: ±(0.5 ‰ + 2)
D+ and D− voltage 0-3.3 V; resolution: 0.001 V; accuracy: ±(1.0 % + 2)
CC1 and CC2 voltage 0-3.3 V; resolution: 0.001 V; accuracy: ±(1.0 % + 2)
Temperature measurement Resolution: 1 °C; accuracy: ±(1.2 % + 3)
Capacity measurement 0-9999.99 Ah; resolution: 0.00001 Ah
Energy measurement 0-9999.99 Wh; resolution: 0.00001 Wh

Analysis and recording

Waveform discretization 2-1,000 samples per second for voltage, current, D+ and D− waveforms
Discretization of vibration analysis 20,000-2,000,000 samples per second
VBUS analysis Real-time waveform monitoring from 20 kHz to 2 MHz
Recording duration Up to 9 hours
Recording interval 1-120 seconds
Statistics Ten independent data sets for capacity, energy and runtime

Connection and use

USB-C cable features E-Marker information reading and cable simulation
Supported cable information Cable type, length, maximum power, data transfer rate and standard version
Connectors 24-pin USB-C male and female connectors with bidirectional power flow measurement
Compatibility with computers Windows and macOS; works without drivers
Screen position Automatic rotation in four directions using the built-in gravity sensor
Adjustable settings Brightness, auto-dimming time, color theme, interface language, and factory reset

Safety warning

Warning Use only within the specified voltage, current and power limits. Do not connect the tester to mains voltage or use it for purposes other than USB power measurement and cable analysis. If the device becomes unusually hot or damaged, stop using it.

Height30 mm
Length120mm
Weight80 g
Width80mm
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