It's nothing to do with the higher wattage, but they didn't Xiaomi implement USB PD up to spec. Likely missing the pulldown resistors on the CC lines. You can

It's nothing to do with the higher wattage, but they didn't Xiaomi implement USB PD up to spec. Likely missing the pulldown resistors on the CC lines. You can read more about how they should implemented the PD sink here: https://medium.com/@leung.benson/how-to-design-a-proper-usb-c-power-sink-hint-not-the-way-raspberry-pi-4-did-it-f470d7a5910 https://medium.com/@leung.benson/how-to-design-a-proper-usb-...