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原帖由: arbaman ,

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In principle the adapter if working correctly shouldn’t drain any battery power at all, unless in use. A battery power shutdown at 50% charge points to some issue I find a bit hard to associate to an adapter. Try downloading coconut battery and take a couple of screenshots of battery status with and without the adapter plugged in place so as to have a hint of battery conditions as well as instant power draw with adapter in place to get a better picture.

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