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How to Maximize Battery Life of Samsung Galaxy S9/S9 Plus

By Carrie Murray, Friday, May 04, 2018

We know that Samsung sells its Galaxy S9 with two different versions: an American model with Snapdragon 845 processor and the one with Exynos 9810 chip for the rest of the world. However, new tests revealed that the Exynos 9810 model has worse battery life compared to the American model. So are you one of them? Does your Samsung Galaxy S9 battery drain very fast? Here are a few things you can do to get the most of the S9's battery.

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How to Improve Battery Life on Samsung Galaxy S9 and S9 Plus

Below I will list the available tips I tested to extend or increase the battery life of your Samsung Galaxy S9 or S9+. Some of the tips may be simply but they do work. Now, please scroll down and check how to fix bad Galaxy S9 battery life issues.

1. Find Apps Consuming Your Battery

One of the important reasons why your battery drains so fast is always that there's a misbehaving app playing around in the background, though you don't use it at all. If you want to fix battery drain problem on Samsung Galaxy S9/S9+, you should find out the apps which eating up your battery. Those applications should include pre-installed apps or the ones you download from Google Play Store or Internet. For the apps from Internet, you need to make sure it's benevolent and won't do any harm to your smartphone.

To view battery usage of your Samsung, you can navigate to Settings > Device Maintenance > Battery > Battery Usage to see what's going on there. If app is listed top under the RECENT BATTERY USAGE menu, you are recommended to quit it (if you don't use), or completely remove it from your phone.

Find Apps Consuming Your Battery

2. Disable Always-On Display

The Always-On Display feature is available on Samsung S9, which allows users to quickly check the time, date, and various types of notifications. However, the Always On Display feature does consume energy, causing S9 bad battery life problem. So if you find out that your battery is dying so fast, you can try to disable the Always-On Display settings on your Galaxy S9. To do this, go to Settings > Lock screen and security and find out the Always On Display option. Then just turn it off.

3. Disable Live Wallpapers

S9's Live Wallpapers provided users with richer, animated and interactive backgrounds. That looks great but will eat up your battery.

Instead of applying live wallpaper, you are advised to use black wallpaper. This is because Samsung's AMOLED display is more friendly and efficient when displaying black, and thus will also improve battery life.

To use a static wallpaper (or black wallpaper) instead of live wallpaper, you can long-tap on an empty space on the home screen and select the Wallpapers icon, and choose a desired one to apply.

4. Adjust Resolution and Brightness

In some testing reports, the Samsung screen display is blamed to eat up more power. Galaxy S9 has three different screen resolution settings and its maximum resolution is 2,960 x 1,440 pixels (WQHD+). Comparing to the other two options (FHD+ and HD+), the WQHD+ makes everything showing on the screen look better, but it of course will use more processing power. So if you want to save battery of Galaxy S9, you can adjust your screen resolution by going to Settings > Display > Screen resolution. Select either FHD+ or HD+. Click Apply.

Adjust Resolution and Brightness

Additionally, a brighter display will use more power, decreasing battery life. Obviously, changing the brightness will improve your situation to some extent. Head to Settings > Display > Brightness and switch Auto-brightness to Off. Then also try to lower the brightness to something around 50% or less.

As you're in Display settings, we also recommend turning down the Screen timeout option. You can go to Settings > Display > Screen timeout > and set it to 15 seconds.

5. Turn Off Features You Don't Use

There are a ton of new features to play with on Samsung Galaxy S9. Features such as Finger sensor gestures, easy mute, smart alert, palm swipe to capture, direct call and more are useful for easily quickly manage your Samsung galaxy devices functions. But if you don't use them, just turn them off. In that way, your smartphone can stop using battery to scan or detect.

Go to Settings > Advanced Features and you'll see a list of those features. Select the ones you don't use and turn them off.

6. Adjust Battery Settings

Next, also try Samsung's built-in power-saving mode, which will lead to the most meaningful battery life increase. It makes your phone last 2-3 days on a single charge and that will perfectly fix the situation when there is no such a charger around.

Head to Settings > Device Maintenance > Battery and you can choose a power saving mode. Select either Mid or Max and you'll be prompted with the details of settings. Then you can apply the power saving mode.

Adjust Battery Settings

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