Laptops are widely used for studying and working. The battery is an essential hardware component of a laptop. It provides power to your laptop, allowing you to take it out for work without being connected to a power source. However, over time, the battery will begin to degrade. This post provided by MiniTool will teach you three ways to perform a Dell battery test.

Batteries are commonly used to power electronic devices such as laptops and mobile phones. Any battery will degrade as time passes. It's crucial for you to check the condition of the battery so that you can determine whether you need to replace it with a new one or not.

Well, is a laptop battery test useful? How can you check the health of your laptop battery? Many people are unsure of what they should do. This page will use Dell laptops as an example to introduce three methods to complete Dell battery testing.

Tip: Worried about data loss caused by unexpected shutdowns or improper operations? Please back up your system, disk, or at least valuable data regularly. However, if your important files are lost before backing up, you should immediately start recovering them using a professional recovery tool.

Perform a Dell Battery Test in 3 Ways

Even for inexperienced users, Dell battery checks are not very difficult. You should follow the steps mentioned in the following methods to check the battery health on your Dell laptop.

How To Check The Battery Health Of Your Laptop?

Using Dell Battery Diagnostics

1. Start your Dell laptop as usual.
2. Pay close attention to your screen. Quickly press F12 on the keyboard when you see the Dell logo screen.
3. Look for the Diagnostics option in your Dell boot menu.
4. Select it and press Enter.
5. Respond appropriately to user prompts in the pre-start diagnostic program.
6. Browse the test results of the Dell battery.

Note: Whenever the test fails, you should provide some information on the system performance check page: the service tag, ePSA error, and verification code (before SupportAssist begins to learn how to proceed).

Accessing the BIOS

You can also check the health of the battery on a Dell laptop by entering its BIOS. The BIOS settings and information are not identical across different Dell computers.

Situation 1:

1. Start your Dell computer.
2. Press F2 when the Dell logo screen appears. You may press it repeatedly upon startup in case you miss the screen.
3. Look for the General category in the left pane and expand it.
4. Choose the Battery Information option under it.
5. The corresponding Battery health status and information will be displayed in the right pane.

Situation 2:

1. Repeat step 1 and step 2 mentioned in the previous situation.
2. Switch to the Advanced tab at the top using the arrow keys.
3. Find the Battery Health option from the list.
4. If it says This battery is performing normally, it means your battery is in good health. You don't need to replace it.

Turning to Dell Power Manager or Dell Command | Power Manager

Both Dell Power Manager and Dell Command | Power Manager are useful applications available for users to check battery health and configure battery maintenance for a longer Dell laptop battery life.

How to check battery life on a Dell laptop?

1. Open the Dell Power Manager or Dell Command | Power Manager app.
2. Select the Battery Information option and review the report.

Should You Replace Your Dell Battery

After performing a Dell battery test, you can find out the battery health and status. If the run time doesn't meet your needs, you should consider replacing the battery with a new one.

How Long Does a Dell Laptop Battery Last

There is no doubt that all batteries will wear out over time and with usage. Generally, users of Dell laptops will notice a noticeable decrease in their battery's run time after 18 to 24 months. Power users may even notice this issue within 18 months.

How to Improve the Performance of a Dell Laptop Battery

After using the battery for a long time, the battery performance will degrade. Are there any useful solutions to improve it?

• Regularly check the battery health on a Dell laptop.
• Unplug the charger when it's not necessary.
• Turn off the Dell laptop when it's not in use.
• Save battery power during the use of a Dell laptop: reducing brightness, turning off Wi-Fi/Bluetooth, charging with the original AC adapter, etc.
• Use the Dell Power Manager and Dell Command | Power Manager tools to optimize battery settings.
• Adjust the power plan in Microsoft Windows according to your needs.

How to recover data from a Dell laptop?

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