The Mi 11 charger can charge the Apple 13, but it cannot achieve the effect of fast charging.
Because the two mobile phones its fast charging agreement is not the same, Apple 13 uses the PDF agreement, and Xiaomi 11 has its own Qualcomm fast charging agreement.
Because Apple's mobile phone it has a charging protection chip, no matter what kind of charging head, he can charge the mobile phone according to its requirements, so it can be used, but it can not reach the effect of fast charging.