If I may comment somewhat late, as I have just got a MG4 Essence 64. In Oz, we have a supermarket chain near me, with 22kW and 7kW chargers. I get 3.5kW/hr from the 22kW and 7kW/hr from thr 7kW. I have a 22kW cable.
My dealer said that the 22kW charger pins are configured to the benefit of BYD...