Product Overview:
The FNIRSI FNB58PBT USB Charge Tester is an advanced fast-charging protocol detector designed for accurate testing, monitoring, and analysis of USB charging performance. With built-in Bluetooth connectivity, this intelligent tester allows you to verify fast-charging protocols, track real-time voltage, current, and power data, and monitor charging behaviour directly on its high-definition colour display or via a connected mobile device. It is an essential tool for technicians, engineers, and power users who require precise and reliable charging diagnostics.

Key Features:
-Fast Charging Protocol Detection: Accurately identifies and verifies fast-charging capabilities of various chargers.
-Bluetooth Connectivity: Enables wireless monitoring and data viewing through compatible devices.
-High-Precision Measurement: Provides real-time voltage, current, power, resistance, capacity, and energy data.
-Multi-Interface Design: Integrated USB-C input and output, USB-A, and Micro-USB HID interfaces for wide compatibility.
-High-Definition Colour Display: 2.0-inch TFT LCD with ultra-wide viewing angle and clear 6-digit readout.
-External 16-Bit ADC: Ensures high accuracy and stable measurement performance.
-PD Protocol Physical Chip: Supports precise detection of Power Delivery fast-charging standards.
-Long-Term Data Recording: Supports continuous recording for up to 99 days.
-Compact & Portable: Slim design makes it easy to carry and use anywhere.

Specifications:
-Brand: FNIRSI.
-Model: FNB58PBT.
-Product Type: USB Charge Tester / Fast Charging Protocol Detector.
-Voltage Range: 4 – 28 V.
-Current Range: 0 – 7 A.
-Power Range: 0 – 140 W.
-Resistance Range: 0 – 9999.9 Ω.
-D+/D- Voltage: 0 – 3.3 V.
-Capacity Measurement: 0 – 9999.99 Ah.
-Energy Measurement: 0 – 9999.99 Wh.
-Resolution: 0.0001 (low-resolution real-time detection).
-Interfaces: USB-C In, USB-C Out, USB-A, Micro-USB HID.
-Display: 2.0-inch colour TFT LCD, 6-digit display.
-Record Time: Up to 99 days, 23 hours, 59 minutes, 59 seconds.
-Dimensions: 82 × 42 × 13 mm.

Why This USB Tester Is a Great Choice:
This tester combines professional-grade accuracy with intelligent features such as Bluetooth connectivity and fast-charging protocol detection. Its wide measurement range, high-resolution display, and long-term recording capabilities make it a reliable solution for analysing chargers, power banks, and USB-powered devices. Compact, safe, and highly precise, it is ideal for both professional diagnostics and advanced personal use.

Ideal For:
-Electronics technicians and engineers.
-Testing fast chargers, power banks, and USB power supplies.
-Monitoring mobile phone charging performance.
-Diagnosing charging issues and power efficiency.
-Advanced users who require detailed charging analytics.