Yes, the charging head can adjust the output current to its own phone. Backward compatible
After the 33W charger is plugged in, the battery percentage will be displayed first. After two seconds, the fast CHARGE will be displayed below the battery percentage. After two seconds, the fast charge will become MI TURBO CHARGE! If you use a 33W charger to CHARGE the 4G version of Redmi K30, after plugging in the charger, the handheld will directly display the battery percentage and MI TURBO CHARGE!