Xiaomi did a Q&A about its recently showcased 200W charging technology and was asked whether the hyper charging is safe for the battery. Xiaomi's answer details in a number of slides how it manages to dissipate heat during 200W charging and what kind of impact you can expect from the super quick top up. According to their estimates the battery should lose little under 20% of its capacity after 800 cycles, which is over two years if you do a full charge every day. If you go longer between charges it can stretch even more. Doing quick math for a 5,000mAh (like that of the Mi 11 Ultra)...
Source: https://www.gsmarena.com/xiaomis_200w_degrades_20_in_800_cycles-news-49549.php
