Samsung Galaxy S9 / S9+ - View / Extend Battery Life
Here's how to extend battery life, view charging status / remaining battery and determine what uses the most power on your Galaxy S9 / S9+.
- Battery life is measured by standby time and talk time.
- Standby time is the amount of time the device stays powered on with no voice, data or other usage.
- Talk time is based on voice usage.
- Using data such as web browsing, apps, or streaming reduces overall talk time.
- Apps and processes are listed from highest to lowest percentage of power consumption. Review any high or unusual usage or battery percentage drain.
Battery Usage
- From a Home screen, swipe up or down from the center of the display to access the apps screen.These instructions only apply to Standard mode and the default Home screen layout.
- Navigate: .
- TapBattery usage.
- From the 'Last 7 days' graph, select a date to view the battery use and charging time.Usage details appear in the daily graph below.
- From the daily graph, tap a time period (e.g., 8 - 12 PM) to view usage details.Percentage indicates how much battery usage occurred for each app listed.
To improve battery life, you can:
- Contact the app developer if an app appears to cause excessive battery drain.
- Ensure Power Saver Settings are enabled.
- Adjust brightness to lowest setting or use Automatic brightness.
- Turn off GPS when not in use.If disabled, certain apps or services may not work properly.
- Turn off vibrate mode if not used.
- Ensure battery optimizations aren't ignored; make sure accounts (e.g., email, Facebook®, etc.) are selected and optimized as desired.
- Remove widgets that automatically update.
Show Battery Percentage
When turned on, the remaining battery percentage is displayed on the status bar.
- From a Home screen, swipe up or down from the center of the display to access the apps screen.These instructions only apply to Standard mode and the default Home screen layout.
- Navigate: .
- TapStatus bar.
- Tap theShow Battery Percentage switchto turn on
.
To improve battery life, you can:
- Contact the app developer if an app appears to cause excessive battery drain.
- Ensure Power Saver Settings are enabled.
- Adjust brightness to lowest setting or use Automatic brightness.
- Turn off GPS when not in use.If disabled, certain apps or services may not work properly.
- Turn off vibrate mode if not used.
- Ensure battery optimizations aren't ignored; make sure accounts (e.g., email, Facebook®, etc.) are selected and optimized as desired.
- Remove widgets that automatically update.