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How can I monitor and extend battery life for my Samsung Galaxy Mega 2?

Your device has an application that lets you see which applications and features use the most battery power.

View the Battery Status

  1. From the Home screen, touch Apps.

  2. Touch Settings.

  3. Scroll to and touch Battery.

  4. The Battery screen displays the percentage of battery power remaining and how long you might expect that power to last. It also shows the processes that have been using the battery power since it was last charged and the percentage used by each.

  5. Mark the Show battery percentage checkbox to display the percentage of battery remaining in the status bar.

  6. Touch the graph to see which processes were running since your device was last fully charged. 

  7. Touch the name of a process or application to see its Use details

    • Touch FORCE STOP to close the application.

      This option may be unavailable and grayed out for some applications.

    • Touch REPORT to submit feedback about the application's battery usage to Google.

      This option will only be available for applications that have used an abnormal amount of battery power while the screen has been turned off.

    • Touch APP INFO to view its application information screen.    

Reduce Battery Consumption

Your device provides options that help you conserve battery power. By customizing these options and turning off features in the background, you can use the device longer between charges:

  • Turn off the Bluetooth feature.

  • Turn off Wi-Fi.

  • Turn off the GPS (Location) service.

  • Turn off the mobile data connection.

  • Turn off auto-syncing of accounts.

  • Decrease the brightness of the display.

  • Decrease the backlight time (timeout settings).

Best Practices for Battery Charging

The following guidelines can help you charge your battery properly and safely:

  • Verify that you are using the Samsung USB/charging cable and wall charger included with your device, not third-party accessories.

  • Ensure the USB/charging cable is connected securely and is not being blocked by a cover or case.

  • Check whether a battery or charging indicator appears on the device's display when the USB/charging cable is plugged in.

  • Charge using a wall outlet, not a computer, for best results.

  • When the battery is fully charged, disconnect the device from the USB/charging cable.

Turn On Power Saving Mode

  1. From the Home screen, touch Apps.

  2. Touch Settings.

  3. Scroll to and touch Power saving.

  4. Touch Power saving mode.

  5. Touch Slider Off to turn Power saving mode on.

  6. Touch Select when turned on and choose Always or Auto enable

  7. Touch Restrict performance and mark the checkbox for each feature you want to restrict.

    • CPU performance: Limit the maximum performance of the CPU to conserve battery power.

    • Screen output: Use a lower frame rate and power level for your device's screen.

    • Turn off touch key light: Recent and Back keys on the front of your device will not light up when they are touched or when Home is pressed.

    • Turn off GPS: Turn off location services and GPS functions on your device.


Turn On Ultra Power Saving Mode

Use Ultra power saving mode to switch your device's screen to grayscale and turn off nonessential applications so you get the maximum battery life.*

* Based on laboratory testing. Battery power consumption depends on factors such as network configuration, wireless service provider, signal strength, operating temperature, features selected, vibrate mode, backlight settings, browser use, frequency of calls, and voice, data, and applications' usage patterns.

  1. From the Home screen, touch Apps.

  2. Touch Settings.

  3. Scroll to and touch Power saving.

  4. Touch Ultra power saving mode.

  5. Touch Slider Off to turn Ultra power saving mode on.

  6. Review the terms and conditions, mark the checkbox, and touch AGREE.

  7. The Phone, Messages, and Internet applications are automatically available in Ultra power saving mode. Touch  to make up to three more applications available.

    Turn Off Ultra Power Saving Mode

  1. From the Home screen, touch More options.

  2. Touch Turn off Ultra power saving mode.

    To adjust network connections, sound, and display settings in Ultra power saving mode, touch More options > Settings.

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