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Samsung Galaxy Battery Draining Fast

If your Samsung Galaxy phone is draining much faster than it used to, or if the battery isn't lasting as long as it should, there could be several reasons why. This guide will help you identify and fix the most common issues.

Possible Causes

  • Background Apps: Some apps continue to run and use battery even when you're not actively using them.
  • Screen Brightness: A screen that is too bright is one of the biggest sources of power consumption.
  • Software Updates: An outdated software version may contain bugs that affect battery life.
  • Connection Settings: Wi-Fi, mobile data, and Bluetooth consume power when turned on.
  • Degraded Battery: Over time, all lithium-ion batteries lose their ability to hold a charge.

Troubleshooting Steps

1. Check Battery Usage

The first step is to identify what's using the most battery.

  1. Go to Settings > Battery and device care.
  2. Tap on Battery information.
  3. You will see a list of apps and services that have used battery since the last charge. If an app you rarely use is at the top of the list, it's likely the culprit.
Battery usage screen on a Samsung phone

2. Update Software

Make sure your phone is running the latest version of Android.

  1. Go to Settings > Software update.
  2. Tap on Download and install.
  3. If an update is available, follow the on-screen instructions to install it.

3. Adjust Screen Settings

Lower your screen brightness and shorten the screen timeout.

  1. Go to Settings > Display.
  2. Adjust the Brightness slider to a comfortable but not excessive level.
  3. Tap on Screen timeout and select a shorter duration, like 15 or 30 seconds.

4. Manage Background Apps

Prevent unnecessary apps from running in the background.

  1. Go to Settings > Apps.
  2. Select the app that is consuming a lot of battery.
  3. Tap on Battery usage.
  4. If available, turn on the Put app to sleep option. You can also choose to Force stop the app.

5. Disable Unused Connections

Turn off Wi-Fi, Bluetooth, and mobile data when you're not using them. You can do this quickly by swiping down from the top of the screen to open the quick settings panel.

6. Consider Battery Replacement

If none of the above steps solve the problem and your phone is old, the battery is likely just worn out. You can use a professional repair service or, if you're comfortable, replace it yourself using an iFixit guide.