Here is a handy power meter that lets you test cables and chargers to avoid damaging your gadgets by accident. The Satechi USB-C Power Meter measures voltage of your USB Type-C port, current and power input to your device over time and displays the results through its bright display. You will be able to charge your devices and monitor power simultaneously.
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The power meter has a voltage range of 4-20V. It measures the power draw of your laptop and can help you identify faulty cables.
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