UNI-T UT658 USB Tester Chargers Voltmeter Tester U Disk Doctor For Mobile Phone Pad Table

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.

Feature:
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.