The quick charge function of the Samsung battery can be activated or deactivated in the battery settings, but if you connect your device to the charger overnight, we recommend deactivating the quick charge function.

Android 10 (One UI 2.0)
Step 1:  Open the  Settings
Step 2:  Tap on  Device care
Step 3:  Tap on  Battery
Step 4:  Tap on  Charging
Step 5:  Enable or disable  Fast charging
  1. Open the Settings
  2. Tap on Device care
  3. Tap on Battery
  4. Tap on Charging
  5. Enable or disable Fast charging

Samsung Instructions