Xiaomi Mobile Power 3 does not have a slow charge setting. It is equipped with a two-way 18W fast charge, which provides fast charging for most devices. If you are experiencing problems with slow charging, check the following factors:
Cable quality: Use Xiaomi original or certified cables.
Charging environment: Avoid charging at extreme temperatures.
Device compatibility: Some devices do not support higher charging power.
Battery health: Aging batteries affect the charging speed.