Laptop Battery Life Tips

Just divide your computer battery’s watt-hours by your estimated wattage. The result is the number of hours you can expect your battery to last.

Your expected wattage varies depending on the task you’re performing. Gaming will use between 40 and 60 watts, watching video will consume 15 to 30 watts, and web browsing will eat 10 to 15 watts.

The watt-hours of your battery can be found on the battery itself, on the manufacturer’s website, or on the accompanying spec sheets.

You can also find the information using the operating system. On Windows, open Command Prompt, type powercfg /batteryreport, head to the path it spits out, and open battery-report.html in your browser. On Mac, hold Option, then navigate to Apple > System information > Hardware > Power.

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