The drain on the battery is the same.
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First of all, wireless charging and wired charging have the same loss of battery. Because whether it is wired charging or wireless charging, it is necessary to regulate the voltage of the electricity sent through the last step, but the path of the two is different.
Wireless charging, because the heat generated during wireless charging is larger than the heat generated by wired charging, so compared with the two, wireless charging loss is greater.