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FNIRSI USB Tester 4-28V LCD Voltage/Current Meter

FNIRSI ★ 3.7/5 · ItemOracle Score Mid-Range

$59 USD
Price subject to change
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FNIRSI USB Tester 4-28V 7A LCD USB A&C Voltage Current Power Tester Multimeter with App Software, Fast Charge Detection Trigger Capacity Ripple Measurement, PD2.0/PD3.0,QC2.0/QC3.0

USB voltage and current tester with app software and fast charge detection. It supports multiple interfaces and 16-bit ADC for accurate readings. Users note good functionality, build quality, and value for money, though ease of use opinions vary

Highlights

  • LCD display with multiple interfaces
  • APP software for data access
  • PD/QC fast-charge detection

Pros

  • multi-port USB tester with LCD display
  • supports APP software for data access
  • fast charging detection and PD/QC support
  • built with solid build quality
  • measures cable resistance

Cons

  • manual quality feedback is negative
  • mixed opinions on ease of use

Best For

  • verify USB power delivery
  • measure USB cable resistance
  • check fast-charging compatibility
  • monitor voltage/current during charging
  • test USB-A, Micro-USB, Type-C interfaces
  • analyze ripple and capacity

Features

  • 2.0-inch TFT LCD display for voltage and current readouts
  • Integrates USB-A, Micro-USB, and Type-C interfaces with app software
  • Monitors voltage, current, power, and resistance via external 16-bit ADC
  • PD protocol capability with fast charging trigger and gravity sensor
  • Multi-port USB tester capable of detecting PD/QC protocols and ripple measurement

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