Digital USB Power Tester Mini USB Charger Doctor Transparent Voltmeter Ammeter Current Detector

Specification:

• Type: Digital USB power tester and charger doctor
• Display: Transparent housing with voltmeter and ammeter
• Measurement Range: Voltage 3–30V, current up to 3A
• Accuracy: High precision readings for voltage and current
• Compatibility: Works with USB devices, chargers, and cables
• Connection: USB male to USB female interface
• Protection: Overvoltage and overcurrent alerts
• Compact: Portable and easy to integrate into testing setups
• Material: Durable transparent plastic housing
• Labeling: ASCII-friendly markings for easy use and reference

Description:
This digital USB power tester provides quick, accurate measurements of voltage and current in USB-powered assemblies. The transparent voltmeter/ammeter design allows easy viewing of real-time data. It supports voltages from 3–30V and currents up to 3A, making it ideal for chargers, power banks, and USB device testing. ASCII-friendly labeling simplifies wiring and identification, making it a handy tool for electronics labs, DIY assembly, and troubleshooting projects.