How to Calibrate Laptop Battery In Windows 11/10

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Normal laptop batteries lose power over time. This happens most often to how to Calibrate Laptop Battery that are used a lot every day. The difference between how long the battery says it will last and how long it actually lasts is a key sign that the battery is getting weaker.

The simple way to fix this problem and make your battery last longer is to calibrate the battery. In this article, we’ll show you how to calibrate the batteries in your laptop. But a laptop battery that is weak and hasn’t been calibrated could cause a lot of trouble.

On a typical laptop, for example, the remaining battery life might say “2 hours,” even though it’s really only about 30 minutes. So, even though your laptop battery shows that you have 2 hours left, you are shocked when, after only 30 minutes, it suddenly drops to 10% and shuts off.

How to Calibrate Laptop Battery In Windows 11/10

Calibrate Your Laptop’s Battery via BIOS

1. Enter BIOS.
2. Select the Power menu with the keyboard cursor keys.
3. Head over to the Start Battery Calibration section and click the Enter
4. Follow the on-screen instructions and plug in your laptop charger.
5. Disconnect the charger until your laptop is fully charged (100%).
6. Wait for the battery to discharge from 100% to 0% until your laptop automatically powers off.
7. Reconnect your charger. During this charging process, do not boot your system.
8. Wait for your battery to be fully charged. Once it finishes, laptop battery calibration is done.
9. Unplug your charger and reboot your system.

Calibrate Your Laptop’s Battery Manually

1. Right-click the battery icon on the taskbar and choose Power Options.
2. Select Change when the computer sleeps from the left side of the Power Options window.
3. Click the drop-down menu for Turn off the display and choose Never from this menu.
4. Click the drop-down menu for Put the computer to sleep and choose Never from this menu.
5. Choose Change advanced power settings.
6. Expand Battery and Critical battery action and then choose Hibernate.
7. Expand Critical battery level. Then under On battery, select Percentage and set the percentage to a low value: 1% to 5% (here lower is better).
8. Click Apply > OK > Save changes.

Why Calibrating the Battery Is Necessary

If you want to keep your laptop’s battery in good shape, you should let it run down a bit before plugging it back in and topping it up. You shouldn’t let the battery on your laptop run out every time you use it, or even get very low. Your battery will last longer if you charge it regularly.

But this kind of behavior can make the laptop’s battery meter think something is wrong. Even if you take good care of the battery, its power will still go down over time because of things like normal use, age, and heat.

How Often Should You Calibrate the Battery?

When a manufacturer recommends calibration, it is usually done every two to three months. This helps keep the readings on your battery true. In reality, you probably don’t have to do this very often if you don’t care too much about how accurate your laptop’s battery readings are.

But if you don’t calibrate your battery often, you might find that your laptop dies on you while you’re using it, with no warning. When this happens, it’s clear that the battery needs to be calibrated.

FAQ

Is it necessary to calibrate laptop battery?

Without calibration, the battery percentage reading will be incorrect, and your device may behave oddly—shutting down suddenly even though the new battery “reads” half charged, or working for hours when the battery reads nearly dead.Apr 15, 2020

How do you force a battery calibration?

1. Fully discharge the phone until it turns itself off.
2. Connect your phone to a charger and, without turning it on, let it charge until the screen or LED indicator reads 100%.
3. Turn off the charger.
4. Turn on your phone. …
5. Disconnect your phone and restart it.

What does *# 0228 do?

Another useful hidden menu is for checking the battery voltage. Enter *#0228# in to the phone dialer and you’ll see the change in voltage when you charge it. Of course, if you’re worried about breaking something, it’s probably best not to mess with this hidden menu. It is hidden for a reason, after all.

How to fix a Windows 10 laptop with wrong battery percentage?

1. Adjust Your Power Plan. To start, right-click the battery icon in the taskbar. …
2. Charge Your Laptop. Plug your laptop in and charge the battery to 100%. …
3. Unplug Your Laptop. Take your laptop off charge and let the battery drain. …
4. Charge Your Laptop Again.