How To See Battery Health On Samsung S9

5 min read Jun 26, 2024
How To See Battery Health On Samsung S9

Check Your Samsung S9's Battery Health: A Step-by-Step Guide

Are you concerned about the battery life of your Samsung S9? Want to know if your battery is still in top shape? Checking your battery health can help you identify any potential issues and take necessary steps to prolong its lifespan. In this article, we'll show you how to check the battery health of your Samsung S9.

Method 1: Using the Built-in Diagnostic Tool

Samsung has a built-in diagnostic tool called "Device Maintenance" that allows you to check your battery health, among other things. Here's how to access it:

Step 1: Go to Settings

Open the Settings app on your Samsung S9.

Step 2: Scroll Down and Select "Device Maintenance"

Scroll down and select "Device Maintenance" from the list of options.

Step 3: Tap on "Battery"

Tap on "Battery" from the list of options on the Device Maintenance screen.

Step 4: Check Your Battery Health

You'll see a "Battery Health" section that will display your battery's health status, which can be either "Good", "Fair", or "Poor". If your battery health is "Fair" or "Poor", you may need to take steps to prolong its lifespan.

Method 2: Using the Android Debug Bridge (ADB)

The Android Debug Bridge (ADB) is a powerful tool that allows you to access advanced features on your Android device. You can use it to check your battery health, but it requires a bit more technical expertise.

Step 1: Enable Developer Mode

Go to Settings > About phone > Software information and tap on "Build number" seven times to enable Developer Mode.

Step 2: Enable USB Debugging

Go to Settings > Developer options > USB debugging and toggle the switch to enable USB debugging.

Step 3: Connect Your Phone to a Computer

Connect your Samsung S9 to a computer using a USB cable.

Step 4: Open a Command Prompt or Terminal Window

Open a command prompt or terminal window on your computer and navigate to the platform-tools folder of your Android SDK.

Step 5: Run the ADB Command

Run the following command to check your battery health:

adb shell dumpsys battery

This will display a lot of information about your battery, including its health status.

Method 3: Using a Third-Party App

There are several third-party apps available that can help you check your battery health. Here's one example:

Step 1: Download and Install an App

Download and install an app like "Battery Bar" or "AccuBattery" from the Google Play Store.

Step 2: Launch the App

Launch the app and grant it the necessary permissions.

Step 3: Check Your Battery Health

The app will display your battery health status, along with other information like battery capacity, voltage, and temperature.


Checking your battery health is an important part of maintaining your Samsung S9's overall performance. By following these steps, you can get a better understanding of your battery's health and take steps to prolong its lifespan. Remember to keep an eye on your battery health and adjust your usage habits accordingly to get the most out of your device.