It's okay. Huawei nova9SE supports reverse charging, so you can charge it by connecting it to a Huawei mobile phone that supports reverse charging using a compatible data cable. The reverse charging function allows Huawei phones to charge other compatible devices, including other phones, headphones, and smartwatches. Reverse charging of Huawei mobile phones can provide a convenient charging solution for other devices. However, it should be noted that reverse charging may consume the battery power of the phone quickly, so you need to consider carefully when using it.
Huawei nova9SE supports the reverse charging function, so you can reverse charge through Huawei mobile phones. The reverse charging function enables Huawei nova9SE to be used as a charging device to charge other devices that support wireless charging or Type-C interface charging, including other smartphones and headphones. Simply place another device on the back of the nova9SE and turn on the reverse charging function to charge it. Therefore, Huawei nova9SE mobile phones can provide charging services for other devices through reverse charging.