KWS-V20 USB Current Voltmeter USB Tester

The KWS-V20 USB Current Voltmeter USB Tester is a reliable and compact diagnostic tool designed to monitor voltage, current, capacity, and power through any USB interface. It’s ideal for testing mobile power banks, chargers, USB-powered devices, and USB ports in a wide range of consumer electronics and DIY setups.

This digital meter displays multiple real-time parameters simultaneously on a bright, easy-to-read screen. With the ability to measure power, capacity, and time alongside current and voltage, it helps ensure your devices are charged safely and your power supplies perform as expected. Whether you’re troubleshooting issues or testing charging performance, the KWS-V20 is a must-have utility for electronics enthusiasts, technicians, and professionals.

🔧 Key Features

• Real-time monitoring of USB voltage and current
• Measures capacity (mAh), energy (Wh), time, and power
• Supports wide voltage (3.7V–30V) and current (0–5.1A) range
• High-precision measurement with digital display
• Compact and portable plug-and-play device
• Built-in data storage and screen rotation support

📐 Technical Specifications

📌 Applications

• Testing USB power banks and chargers
• Evaluating charging current and voltage for phones and tablets
• Analyzing USB port output from laptops, power supplies
• DIY electronics and power monitoring
• Engineering labs and repair centers

💡 Why Choose the KWS-V20 USB Tester?

The KWS-V20 USB Current Voltmeter combines multiple precision measurements into one compact, plug-and-play device. It ensures your USB-powered devices charge safely and efficiently, making it a vital tool for everyday diagnostics and development work.

📦 Package Includes

• 1 × KWS-V20 USB Current Voltmeter USB Tester