Models before 1, iPhone 12: These models do not support wireless reverse charging function. Although some options may appear in the settings, this feature is not supported by these earlier models of hardware.
2.iPhone 15 series: According to official introduction and actual measurement by digital bloggers, iPhone 15 series can supply power to other devices through USB-C interface, such as AppleWatch and AirPods. In addition, iPhone 15 can even charge another mobile phone, whether it is an Android or an Apple device.