Dual USB Current Voltage Charging Detector Tester

Monitor and ensure safe charging for your devices with this compact and easy-to-use USB Voltage and Current Detector. Equipped with dual LED displays, this tester shows real-time voltage and current readings, helping you prevent overcharging and potential battery damage.

Product Specifications:

• Voltage Range: Input/Output voltage 3V–9V
• Voltage Resolution: 0.01V
• Current Range: Input/Output current 0A–5A
• Recommended Use Range: 0A–3A
• Current Resolution: 0.01A
• Accuracy: ±1%
• Line Loss: Approx. 0.1 Ω
• Communication Function: Yes

Key Features:

• Simultaneously displays voltage and current for clear and quick monitoring
• Detects power supply output quality and USB cable performance
• Integrated precision current calibration ensures high accuracy (calibrated before delivery)

How to Use:

Plug your 5V charger into the male USB port of the device, and connect your mobile phone or other device to the female port. The tester will automatically display real-time voltage and current values.

Applications:

• Mobile Phones
• Tablets
• Notebooks
• Computers
• Car Chargers
• Power Banks
• USB Chargers

Why You Need It:

Prolonged exposure to high voltage or current during charging may lead to battery swelling or explosion. Use this tester to protect your devices and ensure safe, reliable charging.