How to Make a Windows 11 Laptop Battery Last Longer

This guide walks you through practical, built-in Windows 11 settings and a few habit changes that can extend your laptop’s battery life by 20–50% depending on your usage. You’ll learn which settings to adjust, what to avoid, and how to diagnose unexpected drain. No special tools or software are needed—just a few minutes and access to Windows Settings.

What You’ll Need

A Windows 11 laptop (any brand)
Administrator access (to change some power settings)
Your charger (for calibration, if you choose to do it)

Step-by-Step

Turn on Battery Saver automatically. Go to Settings > System > Power & battery. Under Battery saver, click Edit and set it to turn on automatically at 20% (or higher, like 30%). Battery Saver reduces background activity and lowers screen brightness, which directly extends runtime.
Choose the right power mode. In the same Power & battery page, find Power mode. Set it to Best power efficiency when you’re on battery. This limits CPU performance slightly but can add 1–2 hours of light use. For demanding tasks, switch back to Balanced temporarily.
Lower screen brightness manually. Press the brightness key on your keyboard (usually F1–F12 or a sun icon) or go to Settings > System > Display. Set brightness to around 50% or lower. The screen is often the biggest battery drain.
Enable dark mode for apps and the taskbar. Go to Settings > Personalization > Colors. Choose Dark for both Windows mode and app mode. On OLED screens, this saves significant power; on LCD, it helps a little.
Close background apps. Press Ctrl+Shift+Esc to open Task Manager. Click Processes and sort by Power usage (if available) or CPU. Right-click any app you don’t need (like a chat app or music player) and choose End task. Repeat for other heavy apps.
Prevent apps from running in the background. Go to Settings > Apps > Installed apps. For each app you rarely use, click the three-dot menu, choose Advanced options, and set Background app permissions to Never. This stops them from refreshing in the background.
Disable unnecessary startup programs. Open Task Manager, go to the Startup apps tab. Right-click any app you don’t need at login (like a music service or updater) and select Disable. Fewer startup programs means less background activity after boot.
Use Wi-Fi instead of cellular (if you have both). If your laptop has a SIM slot, turn off cellular data when you’re on Wi-Fi. Go to Settings > Network & internet > Cellular and toggle it off. Cellular radios consume more power than Wi-Fi.
Turn off Bluetooth when not in use. Click the network/sound/battery icon in the system tray, then click the Bluetooth button to turn it off. Bluetooth constantly scans for devices, draining battery.
Adjust screen timeout to a shorter period. Go to Settings > System > Power & battery > Screen and sleep. Set On battery power, turn off my screen after to 5 minutes or less. This prevents the screen from staying on when you step away.
Enable hibernation instead of sleep for long breaks. In the same Screen and sleep section, set On battery power, put my device to sleep after to 15 minutes. For longer breaks, use Hibernate (press Win+X, then Shut down or sign out > Hibernate). Hibernation uses zero power, while sleep still uses a trickle.
Check battery health. Open Command Prompt as administrator (type cmd in Start, right-click, Run as administrator). Type powercfg /batteryreport and press Enter. It saves an HTML file to your user folder. Open it to see your battery’s design capacity vs. full charge capacity. If it’s below 80%, consider replacing the battery.
Keep your laptop cool. Use it on a hard surface, not on a bed or pillow. Heat accelerates battery degradation. If your laptop gets hot, clean the vents with compressed air (if you’re comfortable) or use a cooling pad.

Common Mistakes

Leaving the screen at 100% brightness. Many people forget to lower it. Even a 20% reduction can add 30–45 minutes of battery life.
Keeping Bluetooth and location on. Both are silent drains. Turn them off when you don’t need them.
Using “Best performance” power mode. This keeps the CPU at high speed constantly, draining battery quickly. Only use it when plugged in.
Closing the lid without shutting down. Sleep still uses power. If you won’t use the laptop for hours, hibernate or shut down.
Ignoring background apps. Apps like Dropbox or OneDrive sync constantly, using CPU and network. Pause sync when on battery.

Tips

Use the “Battery Saver” override. In Power & battery, you can click Battery Saver and toggle it on immediately, even above 20%.
Reduce refresh rate. If your laptop has a 120Hz or 144Hz display, go to Settings > System > Display > Advanced display and set it to 60Hz. This can add 30–60 minutes of battery.
Disable keyboard backlight. Press the key with the keyboard icon (often F5 or F9) to cycle through brightness levels and turn it off. It uses more power than you’d think.
Use a lightweight browser. Chrome and Edge are heavy. For simple browsing, consider a lighter browser or use Edge with “Efficiency mode” enabled (click the performance icon in Edge’s toolbar).
Keep your software updated. Windows updates often include power improvements. Go to Settings > Windows Update and install updates regularly.
Calibrate your battery once a month. Charge to 100%, unplug, and use until it shuts down. Then charge back to 100% without interruption. This helps the battery gauge stay accurate.

Troubleshooting

Battery still drains fast after following all steps? Check the battery report from Step 11. If the “Full charge capacity” is significantly lower than “Design capacity” (e.g., below 80%), the battery is worn out. Consider replacing it. Also, check for malware with Windows Security (Settings > Privacy & security > Windows Security > Virus & threat protection). Malware can cause constant CPU usage.

Battery percentage jumps around? This often means the battery needs calibration. Do the calibration routine described in Tips. If it continues, your battery may be failing.

Laptop gets hot even when idle? Open Task Manager and sort by CPU. If a process like “System” or “Windows Update” is using high CPU, wait for it to finish. If it persists, restart your laptop. Overheating can also be due to dust in the vents—clean them carefully.

Can’t find the Power & battery settings? Make sure you’re on Windows 11 version 22H2 or later. Older versions may have these settings under Settings > System > Power & sleep. If you’re on an older version, update Windows.

Hibernate option is missing? Open Command Prompt as administrator and type powercfg /hibernate on, then press Enter. The option should appear in the power menu.

Frequently Asked Questions

Does closing background apps really help? Yes, especially apps that use the network or GPS. They consume CPU and radio power even when you’re not looking at them.

Is it bad to leave my laptop plugged in all the time? Modern laptops have charging circuits that stop at 100%, so it’s not dangerous, but keeping it at 100% for long periods can slightly degrade battery health. If you mostly use it plugged in, consider setting a charge limit (if your laptop supports it) to 80%.

Should I shut down or sleep when I close the lid? For short breaks (under 30 minutes), sleep is fine. For longer, hibernate or shut down. Hibernate saves your work and uses zero power, but takes a few seconds to resume.

Does dark mode really save battery? On OLED screens, yes—dark pixels are turned off. On LCD screens, the backlight is always on, so the savings are minimal but still present.

Can I use third-party battery apps? Yes, but Windows’ built-in tools are sufficient. Third-party apps can sometimes conflict with power settings, so use them with caution.

How often should I replace my battery? Typically every 2–4 years, depending on usage. When the battery report shows full charge capacity below 80% of design capacity, consider a replacement.

General steps for current mainstream versions; menus can differ by device and version. See the disclaimer or report an error.

More in this bed

The whole Tech How-To bed →