Huawei in-car Fast Charge only applies to Huawei mobile phones that use Huawei 1A charger and Huawei mobile phones that support Huawei Fast Charge protocol in in-car charging mode. Huawei vehicle fast charger features high security measures such as overvoltage protection, overcurrent protection, short circuit protection, overtemperature protection, and reverse protection. However, for non-Huawei mobile phones, it is not recommended to use Huawei in-car fast charge, because it may cause the phone to charge slowly or damage the phone. In addition, Huawei car fast charger does not support usb interface, so you can not use usb to charge the phone.
Huawei car fast charge usb can be used, but the current is too small. Not so fast.