Set the brightness to Auto/low. Note: Drag down from the Notifications bar > Tap to check the "Auto" checkbox or touch and drag the 'Brightness' slider to the left.
Turn off Bluetooth, Wi-Fi, and Location when not in use. Note: Drag down from the Notifications bar > Tap 'Bluetooth', Wi-Fi', and 'Location' to turn on or off.
Turn off Live wallpapers. Note: Touch and hold an empty area of the Home screen > Tap 'Set wallpaper' > Tap 'Home screen ' > Tap a wallpaper type other than Live wallpapers.
Turn off the Auto-update apps feature in the Play Store. Note: Tap Play Store > Tap the 'Play Store tab' > Tap 'SETTINGS' > Tap 'Auto-update apps'.
Turn off Automatic sync. Note: Drag down from the Notifications bar > Tap 'Settings' > Under 'Accounts' tap the desired account > Tap 'Settings' > Tap the account > Tap 'Sync settings' . 'Sync schedule'.
Turn off mobile data to prevent background applications from consuming battery. Note: Drag down from the Notifications bar > Tap the Settings icon > Tap 'Data usage' > Tap to uncheck 'Mobile data'.
Access Battery manager to determine what services are consuming the most power. Note: Drag down from the Notifications bar > Tap 'Settings' > Tap 'Battery' to view a breakdown of battery usage.
Remove unused apps and widgets in order to prolong battery life. Note: Touch and hold the app or widget and drag to Remove, Disable, or Uninstall.
Turn on Power saving mode. Note: Drag down from the Notifications bar with one finger > Tap 'Settings' > Tap 'Power saving' > Adjust the settings as desired and tap the switch to turn on.