According to the information of Xiaomi official website, the charging power of Xiaomi 12S is 67W. Because the camera module is too large, there is a gap between the charging panel and the mobile phone, which leads to the problem of intermittent wireless charging. But it can be solved. It's better to pad it higher.
Xiaomi 12su refers to Xiaomi 12SUltra, which was released by Xiaomi on July 4, 2022.