USB Charger Doctor Capacity Tester LCD Display Current Voltage Detector Meter

The USB Charger Doctor Capacity Tester is a compact USB power monitoring device designed to measure voltage, current, charging capacity, and power consumption of USB-powered devices. It features an easy-to-read LCD display for real-time monitoring and helps evaluate chargers, power banks, USB cables, and mobile device charging performance. Its portable plug-and-play design makes it suitable for electronics testing, troubleshooting, and DIY applications.

Technical Specifications:

• USB voltage measurement range: 3V – 9V DC
• Current measurement support up to 3A
• Built-in LCD display for real-time data monitoring
• USB Type-A male input and female output ports
• Supports power, current, voltage, and capacity testing

Features:

• Real-time voltage and current display
• Plug-and-play USB testing device
• Compact transparent protective enclosure
• Reset button for clearing stored readings
• Portable and lightweight design

Applications:

• USB charger testing and diagnostics
• Power bank capacity measurement
• USB cable quality checking
• Mobile charging current monitoring
• Electronics repair and DIY projects