JOY-IT TC66C USB-C Power Meter with Color LCD and Bluetooth

Debugging USB power delivery issues or verifying fast-charging performance can be a hassle without the right tools. The JOY-IT TC66C is a compact USB-C power meter that measures voltage, current, power, energy, capacity, load resistance, and temperature in real time, displaying the data on a clear 0.96-inch color LCD. With Bluetooth connectivity, you can log and analyze measurements on your PC or Android device, making it ideal for engineers, technicians, and electronics enthusiasts.

Who is it for

This meter is for anyone who needs to test USB-C chargers, power banks, cables, or devices. It supports fast charging protocols like USB PD, Quick Charge 2.0/3.0, Apple 2.4A, and more, so you can confirm whether your setup delivers the expected power.

Main features

• USB-C input and output for direct inline measurement
• 0.96-inch color LCD for clear readings
• Measures voltage (0-30 V), current (0-5.1 A), power (0-150 W), energy, capacity, resistance, and temperature
• Bluetooth interface for PC/Android app connectivity
• Supports USB PD, QC2.0, QC3.0, Apple 2.4A, BC1.2, AFC, FCP, SCP fast charging protocols
• High resolution: 0.0001 V and 0.0001 A
• Measurement accuracy: ±(0.5% + 2 digits)

Specifications

• Input/Output Interface: USB-C
• Display: 0.96-inch color LCD
• Voltage Measurement Range: 0-30 V
• Current Measurement Range: 0-5.1 A
• Power Measurement Range: 0-150 W
• Energy Measurement Range: 0-99999 Wh
• Capacity Measurement Range: 0-99999 mAh
• Load Resistance Measurement Range: 0-9999.9 Ω
• Temperature Measurement Range: -10°C to 100°C
• Voltage Resolution: 0.0001 V
• Current Resolution: 0.0001 A
• Measurement Accuracy: ±(0.5% + 2 digits)
• Supported Fast Charging Protocols: USB PD, QC2.0, QC3.0, Apple 2.4A, BC1.2, AFC, FCP, SCP
• Communication Interface: Bluetooth
• Operating Temperature: -10°C to 60°C
• Refresh Rate: 2 Hz

Tips

Use the Bluetooth connection with the PC software to log long-term power consumption or battery charging curves. For accurate temperature readings, place the sensor close to the device under test.