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How do you extend a laptop battery life?

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Quick Answer

To extend the battery life of a laptop, limit the amount of power your laptop is currently consuming. You can do this by reducing the number of processes that your computer is running and avoiding heavy processes that require high energy usage.

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Full Answer

  1. Activate Power Saver mode

    An easy first step to limit the energy consumption of your laptop is to go into Power Saver mode. Do this on a Windows operating system by clicking on the battery icon in the lower right of your screen, then choosing More Power Options, then clicking the radio button next to the Power Saver option. For a Mac, click on the battery icon, then choose Energy Saver Preferences. This takes you to a dialog box where you need to manually change the preferences to save power.

  2. Avoid general processes that require high energy

    Some common culprits of high energy use are the brightness of the backlight for your laptop screen, Wi-Fi and Bluetooth connections, and typically heavy processes such as gaming, downloading and playing music and video files. To save energy, lower the brightness of your screen and disable Wi-Fi and Bluetooth. Avoid running any heavy processes if possible, or limit yourself to only a few.

  3. Identify specific processes that are using too much power

    For a Windows system, open your Task Manager by holding down the "CTRL," "ALT" and "DELETE" keys simultaneously. Then close processes listed in the Task Manager that are showing a high CPU percentage. This is done on a Mac computer by going to the Activity Monitor which is located in the Utilities folder in Applications. The Activity Monitor has an Energy option which shows you how much energy each process is using. When you are shutting down high energy processes, choose carefully. Make sure you know exactly what a process is doing before you decide to terminate it.

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