How to identify battery draining apps in Task Manager

Windows laptops sometimes suffer from battery life issues due to resource-hungry apps running in the background. Fortunately, Windows Task Manager includes useful power monitoring tools to help identify these battery-draining apps.

How to access energy usage data

Finding battery-draining apps in Windows 11 is easy because Task Manager provides detailed statistics on power usage. There are a few ways to open Task Manager .

After opening Task Manager, follow these steps to view energy usage data.

1. Click More details to see more tabs if you see a simplified view.
2. Navigate to the Processes tab at the top - this tab shows power usage data.
3. By default, Task Manager may not display energy usage columns. Right-click any column header in the process list.
4. Select Power usage and Power usage trend from the context menu.
5. Wait a moment for Windows to collect and display energy data.

These columns show which apps are taking the most power from your battery. They are ranked based on power consumption as Very low , Low , Moderate , High , or Very high .

What does “very high” really mean for laptop batteries?

When Task Manager labels an application as having “Very high” power usage, it’s essentially giving you a warning about your battery life. This rating doesn’t just mean that the application is using more power than other applications; it often indicates a significant drain that can cut hours off your laptop’s runtime.

A single application with a “Very high” power usage can sometimes drain the battery 2-3 times faster than normal. For example, a laptop that normally lasts 6 hours may only reach the 2 hour mark when running resource-intensive applications.

These power-hungry apps typically consume power in one of three ways: heavy CPU processing, constant GPU usage, or constant background activity. Video editing software, modern games, and some browsers with multiple tabs all fall into this category. Even worse, apps continue to consume a lot of power when minimized.

The “Power usage trend” column provides more context by showing whether an app is consistently using high power or if it’s just experiencing temporary spikes. This difference helps you identify apps that are actually draining your battery versus apps that are temporary resource hogs.

These apps may be draining your battery

Some popular apps often show up as battery hogs. Web browsers top the list – Chrome, with many tabs open, is a particular battery hog. While most modern browsers have improved their power efficiency, they can still lead to inaccurate battery estimates if left unchecked.

Online meeting software like Zoom , Microsoft Teams , and Google Meet are also notorious power hogs. They use your camera, microphone, and must maintain a constant internet connection at the same time. So it's no surprise that they drain your battery quickly during long virtual meetings.

Cloud sync tools like OneDrive , Dropbox , and Google Drive can also silently drain your battery, especially during large file uploads or downloads. Even if you don't notice, they can still be working in the background.

Gaming and media apps are other obvious culprits. However, many of us don’t realize how much power streaming video services consume. If battery life is important, consider using browsers with battery-saving modes when watching online videos.

Note : Surprisingly, many pre-installed Windows utilities can also be power hungry. Search indexing, Windows Update, and even some anti-virus solutions can show High or Very High power usage during certain activities.

Take action against battery-draining apps

Once you've identified the apps that are draining your battery, it's time to take control. For your browser, consider limiting the number of tabs and extensions you have open. You'd be surprised how much battery life you can save by simply closing unused tabs — something worth keeping in mind when wondering why your laptop battery never lasts as long as advertised.

You should consider changing the settings for background apps. Many apps automatically launch at startup and continue to run silently.

Go to Settings > Apps > Startup to disable unnecessary startup apps and stop them from draining your battery.

You can also use Windows' built-in power settings. Click the battery icon on the taskbar and adjust the power mode slider. Battery saver or better battery mode will limit background activity and reduce performance slightly to significantly extend your battery life.

For battery-critical situations, don't hesitate to end tasks for power-hungry apps. Right-click the app in Task Manager and select End task when you need to drain your battery immediately. This works well with improving your laptop's charging speed to quickly get back to full power.

Another option might be to use web apps instead of desktop apps when possible. Many services offer lightweight web versions that consume significantly less power than their desktop versions.

The Windows Task Manager provides useful insights into which apps are draining your battery the most. You should check your power usage statistics regularly to extend your laptop's runtime between charges. Remember to adjust your usage habits based on the power situation - leave intensive tasks for when you can plug in.