Why Does A Laptop’s Battery Drain So Fast?

Last updated Aug 16, 2020

As the years go by, your laptop’s battery seems to be draining faster and faster. There are several reasons why this may be happening. In this article, we will go through those reasons and see what can be done to extend the duration of the charge.

The display is the No. 1 reason

Your laptop’s display is the main culprit when it comes to draining energy resources. A lot of energy goes towards powering the backlight of the display.

This backlight illuminates the pixels on the display. So, obviously, to reduce the draining of the laptop battery, you need to lower the brightness of the display. You can either make the whole process automatic in the settings or do it manually (there is usually a quick access icon on the bottom-right corner of your screen).

If you have a Mac OS X, you will need to open up display preferences in your settings and look for the sliding bar for brightness. Lowering the brightness will prolong the life of your battery, and the dimmer display is also much less harmful to your eyes.

Try not to use your laptop in a brightly lit space or sit in the position where the sunlight is directly shining onto your face. These circumstances will make the screen harder to see and will force you to increase the brightness of your display. Work in a dimly-lit environment instead.

Also, do not keep your display running while you are not using your laptop; that is just a waste of energy. In the system preferences, there is usually an Energy Saver feature.

By activating it, you will be able to save energy when the laptop is not being used. You can set times for Display Sleep and Computer Sleep, and after the predetermined time expires, your display will do into sleep mode, thus saving the energy.

The keyboard backlighting

Another thing that drains the life out of your battery is the backlighting on your keyboard. If you are using your keyboard during the day or with the lights on, you do not need to have it backlit, so turn this pointless feature off.

You can also activate the keyboard backlighting sleep mode on both Windows 10 and the Mac book, so if the computer detects that it has not been used for a while, the keyboard backlighting will be switched off, and your battery will save energy.

When it comes to OS X, you can do this by clicking on System Settings and then Keyboard. The location of the Keyboard feature differs on Windows devices, depending on the manufacturer.

Disable the Wi-Fi and unplug the cables

The display and the backlighting are the two main culprits when it comes to draining your battery. But they are not the only ones. If you are working on something that does not require access to the internet, you can turn off the Wi-Fi. This also helps you save energy.

The same can be said about Bluetooth. So, the next time you are writing something in Word or filling out the Excel spreadsheet, just turn the Wi-Fi off. You don’t need it, all it does is drain your battery. Also, unplug any USB cables that are connected to the laptop.

Things such as laptop mouse, CD/DVD, speakers, USB sticks, phone chargers, etc. all drain the energy from the battery at a very fast rate. So unplug anything that you do not need at that moment. If you have a wireless mouse or Bluetooth speakers, make sure that they are disconnected as well.

Running many programs at the same time

Running various programs in the background at the same time also drains the battery. To avoid this review and close all of the unnecessary programs on your laptop. To identify which programs are running, you can use the task manager program on your operating system.

Some programs (such as antiviruses) are essential for the protection of your computer, so they should not be deactivated, but there may be a few that are of no use to you at that moment, so you can turn them off for a while.

Also, keep in mind that some programs start up automatically when your computer is booted, so to prevent that from happening, you need to configure them to not start up. By turning off some programs, you will save energy, and you may also be able to increase the amount of memory you use when you go online.

And finally, make sure that the programs you are disabling are of no use to you. Leave the antivirus programs running, as we said. They are essential for the protection of your laptop.

Remove any discs

Many laptops come with built-in disc drives that can run CDs DVDs and even Blu-ray discs. If you forget to eject a disc from your laptop, it can use a lot of power. Of course, at some point you will need to use your drive, nobody is telling you not to.

The thing is to remember to take the disc out when you are done using it; otherwise, the laptop will try to power the disc drive, and your battery will be drained faster.

Some tips on how to charge the battery properly

Finally, here are some tips on how to maintain your laptop battery in good condition.

It is not necessary to wait for the battery to drain completely before you start charging it. This may have been true in the past, but the laptops have evolved since then.

Do not short the battery. Some people try to short the battery to drain it faster. This will damage the battery, and in many cases, it even causes fire and other accidents. Do not do this; otherwise, you will cause permanent damage to the laptop battery.

Do not keep the fully charged battery plugged in for long as this may cause the battery to overheat, and overheating may cause permanent damage to the battery.

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