USB Digital Tester Meter – USB Voltage & Current Monitor with LCD Display, Power Meter & Charging Analyzer

Monitor USB power performance with this Digital USB Voltage and Current Tester, designed to provide a convenient way to check electrical parameters during USB charging and power testing. Featuring a clear digital display and a compact transparent housing, this tester allows users to monitor important USB power information in real time.

The device is equipped with a USB male connector and USB female output port, allowing it to be placed between a USB power source and a compatible USB-powered device. The digital screen displays key measurements such as voltage (V), current (A), elapsed time, and accumulated capacity (mAh), helping users observe charging and power-delivery performance.

Its compact plug-in design makes it practical for electronics enthusiasts, technicians, DIY users, hobbyists, USB troubleshooting, charger testing, and general power monitoring. The transparent protective housing also provides visibility of the internal electronic components while maintaining a lightweight and portable form.

Key Features

• Digital LCD Display: Clearly displays measured USB power information.
• Voltage Measurement: Allows monitoring of USB voltage in real time.
• Current Measurement: Displays the current being drawn by the connected USB device.
• Capacity Monitoring: Can display accumulated capacity in mAh, depending on the model and operating conditions.
• Time Display: Provides elapsed-time information during testing.
• USB Male-to-Female Design: Designed to connect between a USB power source and compatible USB device.
• Compact & Portable: Small enough to keep in an electronics toolkit, drawer, or workspace.
• Transparent Housing: Allows visibility of the device's internal components.
• Reset Function: Includes a reset button for resetting accumulated measurement data where supported.
• Multi-Purpose Tool: Useful for electronics testing, charger checking, USB troubleshooting, DIY projects, and hobby applications.

Product Details

Product Type: USB Digital Tester / USB Power Meter
Measurement: Voltage, Current, Time & Accumulated Capacity
Display: Digital LCD
Input Connector: USB-A Male
Output Connector: USB-A Female
Housing: Transparent Plastic
Color: Transparent Blue
Application: USB Power Monitoring & Electronics Testing
Reset: Yes
Quantity: 1 Piece

Suitable Applications

• USB charger testing
• Power bank testing
• USB cable testing
• Electronics repair and troubleshooting
• DIY electronics projects
• Hobby and laboratory-style testing
• Monitoring USB-powered devices
• Checking charging performance

Important Note

This is a measurement/testing accessory, not a power supply or charger by itself. The exact measurement range, accuracy, supported protocols, and maximum current should be confirmed from the supplier's technical specifications before listing or use.