UNI-T UT658 USB Tester – Multi‑function Charger & Voltmeter, U‑Disk Doctor for Mobile Phones, Pads & Tablets

UNI-T UT658 USB Tester Chargers Voltmeter Tester U Disk Doctor for Mobile Phone Pad Table, Capacity Test MAX 9V with Data Storage, USB Port Output Current and Output voltage Tester Detector.

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Features:

Summary: Accurately measures voltage, current, power and stability, supports multiple cables and stores data up to 9 V.

• The output voltage of the charger output current, 
• Output power, 
• Output voltage stability for full inspection, more scientifically
• You can test different charging cable charging current, allowing you to select the optimal charging line, saving you the charging time.