Unlock the Full Potential of Your Devices with the FNIRSI FNAC-28 Multi-Function USB Tester!

The FNIRSI FNAC-28 is a versatile 2-in-1 USB-C and USB-A digital voltmeter, ammeter, and power bank charger testing device. Engineered for high precision, it's an essential tool for anyone looking to monitor, test, and troubleshoot their USB interfaces, phone chargers, power banks, and cables.

Key Features:

• 2-in-1 Universal Compatibility: Features both USB-A and Type-C male and female connectors, ensuring broad compatibility with all your devices.
• High-Precision Measurement: Equipped with an external 16-bit ADC chip, offering exceptional accuracy for voltage, current, and power measurements.
  • Monitored Voltage: 4~24V (Resolution: 0.001V, Accuracy: ±(0.2%+2))
  • Monitored Current: 0~6.5A (Resolution: 0.001A, Accuracy: ±(0.2%+2))
  • Monitored Power: 0~156W (Resolution: 0.001W, Accuracy: ±(0.2%+2))
• Fast Charge Protocol Detection & Trigger: Automatically detects and triggers various fast charge protocols, including:
  • QC2.0 (5V, 9V, 12V, 20V)
  • QC3.0 (3.4-20V)
  • FCP (9V, 12V, 20V)
  • SCP (5.5-6.0V)
  • AFC (9V, 12V)
  • VOOC/WARP
  • SVOOC 1.0 & 2.0
• Diverse Curve Detection: Visualize real-time data with multiple display modes:
  • Real-time voltage and current curves
  • D+D- voltage curves
  • High-speed voltage ripple curves
• Cable Testing Made Easy: Accurately detect cable resistance, assess cable quality, and perform simulation tests for safe charging. Supports detection for DASH Cable, Soft DASH Cable, and Soft APPLE 2.4A.
• Dual-Way Current & Power Monitoring: Monitor power and current bidirectionally, supporting both input and output conditions for enhanced safety and analysis.
• User-Friendly Display: Features a 1.06-inch full-color, ultra-wide viewing angle TFT LCD screen.
• Compact & Lightweight: Dimensions of 73×36×12mm and a weight of just 21g make it highly portable.
• Additional Features: Brightness adjustment, standby time setting, ℃/℉ temperature symbol switch, Chinese and English language options, and firmware upgrade support.

Perfect For:

• Tech enthusiasts and DIYers
• Professionals testing power supplies and chargers
• Anyone needing to verify charging speeds and cable quality
• Troubleshooting USB-powered devices