Review of the USB Uni-T UT658AUni T UT658A USB tester The Uni T UT658A is a USB tester designed to monitor the parameters of chargers, power banks, USB Type A cables, and other power supply devices. The device measures voltage in the range of 424 V DC, current from 0. 05 to 3 A DC, capacity up to 99,999 mAh, energy up to 1000 Wh, equivalent circuit resistance from 1 to 480 , and D+ and D data line voltages up to 3. 3 V, allowing for a quick assessment of power quality and the
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