USB Voltage and Current Tester with Dual Ports

Ensure the safe charging of your devices with this compact and user-friendly device. The USB Voltage and Current Tester is equipped with dual LED displays, providing real-time readings of voltage and current. This helps prevent overcharging and potential battery damage.

Product Specifications:

• Voltage Range: Input/Output Voltage 3V - 9V
• Voltage Accuracy: 0.01V
• Current Range: Input/Output Current 0A–5A
• Recommended Usage Range: 0A–3A
• Current Resolution: 0.01A
• Accuracy: ±1%
• Line Loss: Approximately 0.1 Ohm
• Connection Function: Yes

Main Features:

• Displays voltage and current simultaneously for clear and quick monitoring
• Detects the quality of power source output and USB cable performance
• Integrated precise current calibration ensures high accuracy (calibrated before delivery)

How to Use:

Connect a 5V charger to the male USB port on the device, then connect your mobile phone or any other device to the female port. The tester will automatically display real-time voltage and current values.

Applications:

• Mobile Phones
• Tablet Devices
• Notebooks
• Computers
• Car Chargers
• Power Banks
• USB Chargers

Why You Need It:

Extended exposure to high voltage or current during charging can lead to battery swelling or explosion. Use this device to protect your devices and ensure safe and reliable charging.