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This question already has an answer here:

I develop "on the road" using a laptop that's not connected to a power source, so when I debug on my android devices, they drain my laptop battery. Unfortunately, the laptop is a MacBook Air so spare laptop batteries is not an option. (I charge everything at home at night.)

Is there a setting to switch USB charging off, especially when debugging?

marked as duplicate by Flow Nov 27 '13 at 16:09

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  • Depends on device in question, what is your device? – t0mm13b Sep 29 '13 at 13:30
  • You could use a USB power bank with a Y-USB cable – ce4 Sep 29 '13 at 14:24
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No there is not way to turn off charging.

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