How Many Watts Does My Laptop Use? And How To Reduce Laptop Power Consumption in 2023 in easy steps?

How Many Watts Does My Laptop Use? And How To Reduce Laptop Power Consumption in 2023 in easy steps?

So today’s topic is “How Many Watts Does My Laptop Use? And How To Reduce The Laptop Power Consumption?”

The Laptop power consumption depends on the processing power and screen size. The more powerful the computer is and the bigger the screen, the more electricity it will consume.

Another important factor to consider when calculating your laptop power consumption is whether you are using an LCD or plasma display. For example, a 13-inch laptop with an LED backlight consumes around 18 watts, while a 15-inch display uses up to 21 watts.


How Many Watts Does My Laptop Use?

Before going into some more details, let me give you the answer to the question you are looking for. Three ways are using which you can find out How many watts your laptop use:

You should keep a few things in mind to find out how many watts your laptop uses.

  1. First, check the manufacturer’s website for wattage information.
  2. Second, look at your laptop’s components and determine which uses the most power.
  3. Finally, use an energy-efficient option such as a battery saver mode or dimming feature to reduce the amount of power you’re using.

What is a Laptop Power Consumption?

Laptop power consumption is the number of wattages your gaming laptop uses when it’s turned on and is important as it affects the laptop’s battery life. Many factors impact how much power a laptop uses. Some of them are:

  • The screen brightness
  • How you use your computer, like Gaming or Media Consumption.
  • CPU
  • GPU
  • External Devices Attached

The laptop screen brightness is generally set to maximum when you buy a new laptop. So if you are planning to use your laptop on battery power, it is advisable to lower the screen brightness and adjust the display settings. This will help save your laptop battery power and thus reduce your Laptop power consumption.

The laptop screen brightness can be adjusted by using the function keys on your keyboard or the control panel.

How to Change the Brightness of Laptop in Windows 10?

Brightness control is one of the most basic features of any operating system that helps to reduce Laptop power consumption. In Windows 10, you can adjust the brightness of your laptop screen by going to its display settings.

Here is how you can change the brightness of your laptop screen in Windows 10:

  1. Go to the Start menu and type ‘display’ in the search box.
  2. Click on the ‘Display’ option from the list of results.
  3. Under the ‘Brightness and color’ section, click on the ‘Change brightness’ link.
  4. From the drop-down menu, select a level for your brightness.
  5. You can also adjust the brightness of your screen by using the slider.
  6. You can drag it to any level you want.
  7. If you want to return to default settings, click on the ‘Restore brightness’ link.

How to Reduce Your Laptop Power Consumption?

A laptop is an essential tool for most of us in the modern world. It used to be a big and clunky thing, but today they can be so small they fit in your hand.

That’s great and all, but it comes at a price that you can’t see until you notice the battery running out a lot faster than it used to.

If you want to save money on your laptop’s battery, this guide will help you do that. Here’s how:

Check Your Battery’s Health:

The first thing you should do is check the health of your laptop’s battery.

  1. To do this, go to Control Panel > Hardware and Sound > Power Options > Change Plan Settings> Change Advanced Power Settings.
  2. Then, select the Battery tab and look at the settings for “Critical battery action” and “Low battery level.”

Try the New Battery Saver Feature

If you’re running Windows 10, you can also try the new Battery Saver feature. This mode will help extend your battery life by limiting background activity and automatically lowering screen brightness.

  1. To enable it, go to Settings > System >Battery Saver.

How Battery Saver Feature works?

The Battery Saver feature will dim your screen, turn off Bluetooth and Wi-Fi, and reduce the performance of some apps

Use a Portable Charger

Last but not least. Use a portable charger or external battery pack to charge your laptop. This will help to maintain the better battery health of your laptop.

How to Measure the Laptop Power Consumption?

There are numerous ways to measure your laptop power consumption, but here’s the perfect one. There are 5 simple steps to measure the power consumption of your laptop:

  1. You need a USB power meter.
  2. Plug the power meter into your laptop.
  3. Run the Prime95 torture test. (or something else that is CPU intensive)
  4. Locate the USB power meter and see how much it is consuming now.
  5. Please wait until the test finishes and see how much it is consuming. You can see the difference between the two numbers. This is your power consumption.

If you want to measure how much power your laptop consumes when it is not plugged in, you need to use a multimeter instead of a USB power meter. The multimeter will measure the voltage from the wall outlet, and you can calculate how much power your laptop consumes when it is not plugged in.


The information in this article can help you determine how many watts your laptop is using and how to reduce power consumption. Let us know if you have any questions by commenting below regarding your query, “How Many Watts Does My Laptop Use?”

Laptop batteries have a limited lifespan; when they die, you’ll need to replace them. This can be expensive, but it’s a good idea to buy an extra battery to always have one on hand.

When your laptop is plugged in, the battery should be charging. If it’s not, your charger is probably broken. You can use a new charger to replace your old one or purchase a universal laptop charger on eBay. But this thing is out of the context of our article.

For more such useful guides regarding laptops and their accessories, must visit Laptop Expert Guide.

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