Mini USB Voltage Current Tester – LCD Digital Power Meter Charger Detector with Data Storage for Phones Power Banks

Quickly uncover charging issues and understand how your USB devices are performing with clear real-time measurements. This compact USB power meter monitors voltage, current, and discharge capacity while maintaining data communication during testing. Its easy-to-read LCD screen and single-button controls make checking important measurements simple, while storage for up to 10 data groups helps you compare results. Lightweight and portable, this USB tester is convenient for troubleshooting phones, chargers, power banks, cables, and other compatible electronics.

Key Features
• Monitors USB voltage, current, discharge capacity, and multiple additional parameters for convenient charging analysis.
• Stores up to 10 groups of testing data, making previous measurements easier to review and compare.
• LCD screen clearly displays readings and flashes to indicate detected over-voltage or under-voltage conditions.
• Compact inline design supports data communication while monitoring compatible USB charging connections.

Why Choose Our Mini USB Voltage Current Tester?
Unlike basic USB indicators that provide limited charging information, this tester combines multiple measurements, data storage, parameter adjustment, and warning indications in one compact device. Its single-button interface simplifies switching between stored data sets, while the LCD display makes important readings easy to monitor. The portable design is especially convenient for troubleshooting charging accessories without bulky testing equipment.

Perfect For
Ideal for mobile phone users, electronics enthusiasts, technicians, repair work, and anyone troubleshooting USB charging equipment. Use it to check compatible phone chargers, power banks, charging cables, USB-powered devices, and other electronics within the supported voltage and current limits.

Product Specifications
• Input Voltage: 3–7 V
• Input Current: <3.4 A
• Maximum Test Voltage: 7 V
• Maximum Test Current: 3.5 A
• Data Storage: Up to 10 groups
• Current Adjustment Modes: 0.3 A, 1 A, 2 A, 3 A
• Low-Voltage Warning: Below 4.7 V
• High-Voltage Warning: Above 5.3 V
• Dimensions: 2.36 × 1.12 × 0.59 in
• Cable Length: Approx. 5.91 in
• Display: LCD
• Communication Support: Yes
• Parameter Adjustment: Yes
• Retail Box: Not included

Make everyday charging checks faster and easier with clear measurements right at your fingertips. Add the Mini USB Voltage Current Tester to your electronics toolkit for convenient monitoring and troubleshooting of compatible USB devices.