USB Charging Current & Voltage Tester Detector — Portable USB Power Meter

Easily measure the output voltage and working current of your USB devices with this compact USB Charging Current/Voltage Tester Detector. Designed for quick plug-and-play use, this device helps you monitor USB power supply performance for chargers, mobile phones, USB drives, and other USB-powered electronics.

Key Features:

• Wide Measurement Range:
• Voltage: 3V to 7.5V (with ±1% accuracy)
• Current: 0 to 2.5A (with ±2% accuracy)
• High Precision: Utilizes a 4-bit semi-dual-point integral conversion integrated circuit with a precision band gap base for stable and reliable readings.
• Compact & Portable: Small size (53 x 35 x 14 mm) and lightweight, making it easy to carry anywhere.
• Plug & Play: No additional power or equipment needed — just connect it inline between your USB power source and device.
• Versatile Use: Measures USB power supply voltage and current during idle and load states for devices such as phone chargers, power banks, USB drives, and more.
• Durable: High temperature resistance (0–60℃) and strong anti-interference capability.
• Low Voltage Drop: Voltage drop of only 200mV at full current load ensures minimal impact on device charging.

Specifications:

• Measurement Range: Voltage 3-7.5V, Current 0-2.5A
• Resolution: Voltage 10mV, Current 10mA
• Accuracy: Voltage ±1%, Current ±2%
• Voltage Drop: 200mV at full load
• Operating Temperature: 0–60℃
• Size: 53 x 35 x 14 mm
• Package: PE Bag

Important Note:

• This product is for measurement purposes only and does not come with technical support.
• Does not contain electronic components for device repair or modification.