Huawei P40PRO reverse charging is the process of switching to mobile power to discharge and charge other electronic devices when the mobile phone is connected to other devices, and the mobile phone is also the charging treasure.
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When the mobile phone with reverse charging function detects that the OTG device supporting data exchange between devices is inserted, the mobile phone outputs voltage to the VBUS on the USB data cable and prompts for reverse charging. However, if the super power saving mode is enabled on Huawei mobile phones, the reverse charging function will be disabled
Huawei P40 Pro wireless backcharging means that the mobile phone can transfer power to other devices that support wireless charging or Bluetooth headsets through wireless means.
Thus providing power to other devices without the use of a charging cable.
This design facilitates the use of users in mobile scenarios, and also improves the efficiency of battery use.
It refers to the device that supports wireless charging, and the back of Huawei p40 pro can support charging to other wireless charging devices.