FNIRSI FNAC-28 USB Digital Voltmeter Ammeter Tester 6.5A/24V-Power&Charging

The FNIRSI FNAC-28 is a versatile USB tester designed to accurately measure voltage, current, and power consumption. With support for multiple fast-charging protocols and bidirectional detection, it's ideal for testing chargers, cables, power banks, and electronic devices. Equipped with a high-precision 16-bit ADC chip and a 1.06-inch color display, it delivers reliable real-time data for both professionals and hobbyists.

Features:

• Bidirectional High-Current Detection - Supports up to 6.5A current, compatible with USB-A & Type-C interfaces.
• High Precision - External 16-bit ADC ensures accurate measurement with minimal error.
• Data Analysis Functions - Stores 5 sets of test data, supports capacity testing, curve display, waveform pause, and adjustable time base.
• Fast Charging Protocol Detection - Automatically detects QC2.0, QC3.0, FCP, SCP, AFC, VOOC/WARP, and SVOOC (1.0 & 2.0).
• Cable Testing & Simulation - Measures internal resistance, simulates Apple 2.4A and DASH fast-charging cables.
• User-Friendly - Adjustable brightness, standby time, temperature unit ( / ), and firmware upgrade support.

Specifications:

• Model: FNAC-28
• Display: 1.06" Color Screen
• Voltage Range: 4-24V
• Current Range: 0-6.5A
• Power Range: 0-156W
• Protocol Support:
• 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: 20V
• SVOOC 1.0 / 2.0
• Cable Resistance Detection: Supported
• Languages: Chinese / English
• Firmware Upgrade: Supported
• Dimensions: 73 × 36 × 12 mm
• Weight: 21 g

Applications:

Perfect for testing chargers, power banks, USB hubs, Type-C cables, and fast-charging adapters in professional labs, repair shops, or at home.

What's in the box
1 x FNIRSI FNAC-28 USB Digital Voltmeter Ammeter
1 x User Manual