USB Tester Voltage and Current Tester 5.1A 30V Voltmeter Meter Current Meter

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Multifunction: Smart digital USB meter can be used to test voltage, current, capacity, temperature, recording charging status etc. LCD data at a glance, detect the 3C equipment you use in real time to avoid accidents.
Contains 9 groups of power-off storage function, temporarily stores the current capacity and energy when power is off, which is convenient for subsequent viewing. The capacity and energy currently used are accumulated when the power is turned back on. If you do not need to accumulate, you can manually clear it.
Button function: Click the button to view the charging data saved in groups 1-9; press and hold the button for 3 seconds to clear the charging data stored in a group; double-click the button to change the display page.
Connection method: Plug the USB male plug into the charger, and insert the mobile phone and other devices to read the voltage and current parameters directly. Compatible with PD protocol and QC 2.0/3.0.

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