Things I use to save battery:
- auto synch all applications in the background is OFF- wi-fi options
- network preferences all OFF, I use wi fi 6 network router connection for maximum battery efficiency
- most app notifications/glyph lighting. vibration exept SMS/phone ringtones are OFF
- in security there is a something like google ad identifier for personal ads CANCEL or DELETE that
- google app and chrome DISABLE all location usage by these app
- update all apps