The Top 10 for improving the battery life on an Android phone are:-

  1. Take Control of Your Location. …
  2. Switch to the Dark Side. …
  3. Manually Disable Screen Pixels. …
  4. Turn Off Automatic Wi-Fi. …
  5. Limit Apps Running in the Background. …
  6. Manage Background Data Access for Each App. …
  7. Monitor Misbehaving Apps.
  8. Find apps that are draining battery.
  9. Try clearing Cache data.
  10. Try Battery Saver mode