There are several factors that contribute to your phone's battery fast draining. Please check and follow below steps to optimize your Samsung Galaxy device.
1) Environment - Battery consumption increases in areas with weak or overlapping signals or with increased screen brightness under strong sunlight or any other light source.
Galaxy offers Adaptive Brightness to optimize screen visibility based on the light intensity of the environment.
Below are settings tips to extend battery life.
1) Optimize your battery in 'Settings'
> Settings > Device Care > Optimize now
2) Maintain sleep status for rarely used apps.
Tap 3 dots on the upper right of Battery > Settings > Sleeping apps > Add to select apps you want in sleep status, then tap 'Add' once again.
3) Enable 'Power mode'
4) Clean up unused apps and features.
Settings > Device care > Battery > Battery usage > See more > Hide OS and system apps > Check battery usage and details of apps actually in use.
5) Change Display Settings.
To know more about Battery Optimization, please click the below link.
