How can I see how much electricity a device connected via USB is drawing from my phone?



  • I have connected a device to my phone via an USB cable so that it receives some electricity from the phone. How can I see how much electricity a device connected via USB is drawing from my phone?

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    I use Android 12 with a Google Pixel 6



  • For little money there are USB-Amperemeters. They measure the current [mA] that flows through them and also cummulate the energy, measured in milliampere-hours [mAh]. Just search for Usb Ampmeter or Usb Powermeter.

    I don't know about your cabling, but probably you will need an adapter additionally, as the ones i know use standard size Usb Ports.




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