Yes, the Mi 14 default use of fast charge acceleration will hurt the battery. Because the fast charge acceleration is to increase the charging efficiency by changing the charging voltage and current, it will cause damage to the battery, resulting in the permanent damage to the battery cell. In addition, the battery is a consumable product, and its service life has a lot to do with the length of use, frequency of use, use environment, and supporting charging equipment. Therefore, when using Xiaomi 14, you should pay attention to protect the battery and avoid charging in an improper way.
The cell phone is fast charging the battery. Whether it is fast or slow charging, it will take a toll on battery life. The effect of not charging too fast is slightly greater than that of ordinary slow charging, and this effect is within the safe range.
The manufacturer optimizes it by technical means