USB Charger Doctor Current Voltage Charging Detector Battery Voltmeter Ammeter
The PowerCheck USB Tester is a useful tool for testing the functionality of old USB power supplies. This compact tester is easy to use - simply plug it between the USB port and the device you want to test, and the voltage and current will be displayed on the LED screen. The tester is compatible with USB 1.0, USB 1.1, USB 2.0, and USB 3.0 ports, and requires no drivers or software to operate. With a voltage range of 3V to 7.5V and a current range of 0 to 2.5A, this tester is a bargain for those looking to quickly and easily test their USB power supplies.
This tester is ideal for testing the functionality of all of the old USB power supplies you have accumulated. The laptop, cable, USB cord and/or any other item shown in the pictures is for functionality display purposes only and are not included.
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