Overview
The FR FNB48P is a professional-grade USB power tester featuring a 1.77-inch high-definition color display. With its 6-digit measurement precision, it can detect even the smallest fluctuations in power. Ideal for mobile repair technicians, hardware reviewers, and tech enthusiasts, it helps verify the true performance of fast chargers and USB devices.
Key Features
- Protocol Sniffing: Supports PD 3.0/2.0, QC 4.0/3.0/2.0, Samsung AFC, Huawei FCP/SCP, and VOOC/DASH/WARP.
- High-Precision Sensing: 16-bit ADC with differential amplifier for ultra-accurate readings.
- Cable Resistance Test: Identifies poor-quality cables causing slow charging.
- Gravity Sensing: Auto screen rotation (360°) for easy viewing.
- Offline Data Logging: Stores charging curves for later analysis via USB-HID.
Technical Specifications
| Feature | Range | Precision |
|---|---|---|
| Monitor Voltage | 4 – 24 V | 0.00001 V |
| Monitor Current | 0 – 7 A | 0.00001 A |
| Monitor Power | 0 – 120 W | 0.00001 W |
| Internal Resistance | 0 – 9999.9 Ω | 0.0001 Ω |
| Capacity / Energy | 0 – 9999.99 Ah / Wh | 6-digit |
| Running Time | Up to 99 days 23:59:59 | 1 second |
Interfaces
- USB-A: Input & Output (High current support)
- USB-C: Input & Output (Full PD support)
- Micro-USB: PC connection (USB-HID interface)
- Bluetooth: Real-time monitoring via Android app
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