Battery life: Samsung Galaxy J7

Learn how to save battery life on the Samsung Galaxy J7.




Battery saving mode

  1. From any home screen tap the recent application icon (bottom left corner).
  2. Scroll and select application you want to close.
  3. Swipe left or right to close selected application or select the Close all app icon in the bottom right of the screen to close all open app.


Battery saving mode settings

  • It limits the maximum CPU performance.
  • Reduces screen brightness.
  • Reduces the frame rate of the device.
  • Turns off the touch key lights.
  • Turns off vibration feedback.
  • Reduces the time for screen timeout.


To turn on Power saving mode, follow these steps:


Android 7.1

  1. From any Home screen, tap the Apps icon.
  2. Tap Settings > Device maintenance.
  3. Tap Battery.
  4. In 'Power saving mode', select one of the following:
    • OFF
    • MID
    • MAX


Android 6.0

  1. From any Home screen, tap the Apps icon.
  2. Tap Settings.
  3. Tap Battery.
  4. Tap Power saving mode to move the slider to ON.
  5. Adjust when Power saving mode is turned on by tapping Start power saving and selecting one of the following:
    • Immediately
    • At 5% battery power
    • At 15% battery power
    • At 20% battery power
    • At 50% battery power


Tips to save battery life

  • Change application sync settings
  • Lower screen brightness and timeout duration
  • Toggle from 4G to 2G
  • Turn off background data
  • Turn off Wi-Fi, Bluetooth, GPS and Smartphone Mobile Hotspot
  • Uninstall unused apps
  • Update to the latest software


Set device to sleep when unused

Press and then quickly release the Power key to set the screen to sleep mode.