Windows 10: What causes a battery to shut down at 20%?

My laptop is usually turns on its battery saver when it has reached 20% and it usually gives a notification when its battery is lowwhen it reaches 10%. But now it switches off immediately when it has reached 20%. What can I do to fix that?

:)

 

PC keeps shutting down automatically at 20% battery

Hi Abhinav,

There can be a lot of causes for the issue. A possible cause is the hardware of the device. However, we'd like to be sure and to help us narrow down the causes, we'd like to ask these questions:

• What is the date when the issue started to happen?
• What is the make and model of your device?
• Are you still able to open the device after it shuts down?
• Any troubleshooting steps you've done to resolve the issue?

We look forward to your update.

 

Battery Won't Charge Fully

Make sure to install all Windows important updates.

Install latest versions of your laptop device drivers you can download the latest device drivers from the device manufacturer or from your laptop manufacturer website.


Step 1

1. Shutdown your laptop.

2. Remove the battery.

3. Connect the AC power adapter to your laptop.

4. Power on the laptop

5. Open the Device Manager by typing Devmgmt.msc into Start Menu or from Control Panel.

6. Under the Batteries category, right-click all of the Microsoft ACPI Compliant Control Method Battery listings, and select Uninstall (it’s ok if you only have 1).





7. Shutdown the laptop.

8. Insert the battery.

9. Power on the laptop.

If above suggestions wont resolve the battery charge issue then follow below steps.




Step 2

1. Shutdown the laptop.

2. Remove the battery.

3. Start the laptop with only AC adapter connected to laptop.

4. When you login to Windows OS connect the battery while Windows OS working.





Step 3

Reset the System Management Controller. Use one of these methods to reset the SMC, which controls battery management, battery status light.

1. Shut down the computer and disconnect the power cord.

2. Remove the battery.

3. Press and hold the power button for ten seconds.

4. Reattach the battery and AC power adapter, then start up the laptop.


Hopefully one of the above suggestions will help you resolve the battery not charging problem. If battery still doesn't charge, you may need to replace your battery.

 

Won't shut down or restart -- error X0X

Hi,

Thank you for posting your query in Microsoft Community.

To assist you better, I would like to ask what are the methods that you have tried to solve the issue.

The issue might occur if the computer is not shut down properly. so, I suggest you to perform a power drain by follow the steps below and check if it helps.

• Shut down the Computer.
• Remove all power source (including battery if it is a laptop).
• Press and hold the power button for 15-20 seconds.
• Connect the power source and start the computer.
• After the computer boots to the desktop, suggest you to install all the pending updates.

Hope this helps. Keep us posted on the status for further assistance.