How to extend phone battery life

Here are few suggestions to extend phone battery life:
- Black wallpaper can save battery
- Use dark themes and settings
- Don’t use adaptive/auto brightness
- Keep screen timeout shorter
- Turn off vibrate and haptic feedback
- Only use original batteries
- Set ‘Do Not Disturb’ or ‘sleep’ schedule when you are sleeping
- You don’t need to be connected 24/7
- Don’t use too many widgets
- Don’t let your apps fall behind the times
- Use your basic battery saving mode
- Never ever fall into the auto-sync trap, keep it manual
- Manually update apps when it’s convenient for you
- Don’t be so mobile obsessed