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    How to Extend Battery Life on a Windows 11 Laptop

    Windows 11 has built-in tools to stretch your laptop battery — battery saver mode, power plans, and finding which apps drain the most power.

    3 min read · 5 steps · Checked April 2026

    1. Step 1. Check your current battery level and status

      Click the battery icon in the taskbar (bottom right). The percentage appears. You can also hover over it to see estimated time remaining.

    2. Step 2. Change Power Mode to save battery

      Go to SettingsSystemPowerPower mode. Select "Best power efficiency." This reduces background activity and optimizes the CPU for battery life rather than speed.

      Quick Tip

      You can also quickly switch power modes by clicking the battery icon in the taskbar → clicking the performance slider icon.

    3. Step 3. Turn on Battery Saver manually

      Go to SettingsSystemPower & BatteryBattery Saver → tap "Turn on now." Or click the battery icon in the taskbar and check the Battery Saver toggle.

    4. Step 4. Reduce screen brightness

      Press Windows + A to open Action Center → drag the Brightness slider down. Or go to SettingsSystemDisplayBrightness. Reducing to 40-60% noticeably extends battery life.

    5. Step 5. Check which apps drain battery most

      Go to SettingsSystemPower & BatteryBattery Usage. The list shows which apps used battery over the last 24 hours or 7 days. If you see an unexpected app using a lot of power, consider closing it when not in use.

      Quick Tip

      Browsers with many tabs open are often among the top battery drains. Close unused tabs when running on battery.

    Laptop battery life on Windows 11 can range from a few hours to all day, depending on your settings and what you are doing. Understanding the available battery tools can make a significant difference.

    Battery Saver: Windows 11 has a Battery Saver mode that automatically activates when your battery drops below a set percentage (usually 20%). It reduces screen brightness, limits background activity, and disables some syncing features to extend remaining charge. You can also turn it on manually at any time.

    Power Modes: Found in SettingsSystemPowerPower mode. Three options:

    • Best power efficiency: Prioritizes battery life over performance
    • Balanced: The default, adjusts automatically
    • Best performance: Maximum speed, highest battery drain

    For everyday tasks like email, web browsing, and video calls, "Best power efficiency" provides excellent battery life without noticeable slowdowns.

    Screen brightness is one of the biggest battery drains. Reducing screen brightness from 100% to 50% can add one to two hours of battery life on many laptops.

    Battery usage by app: Windows 11 shows which apps use the most battery. Go to SettingsSystemPower & BatteryBattery Usage. Apps shown with high percentages are worth closing when you need to preserve charge.

    Official sources

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