In Windows, its Power Options, which you could bring up by hitting Start and typing just that.

In macOS, its in System Preferences under Energy Saver.

Dont overlook these, and dont assume that the defaults are designed to save you juice.

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Always better to take advice from the source.

macOS users can tryBattery Health, and Windows users can check outBatteryCare, both of whichweve mentionedbefore at times.

If you have a Windows machine, you may even considerdisabling adaptive brightnessand controlling it yourself.

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Consider it an emergency measure.

Weve shown you how to make laptop coolers fromeverything from egg cartonstowater bottlestobaking rackstostylish-looking DIY laptop trays.

If your battery is on its last legs, shut the laptop and stop then.

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Dont let the battery die completely.

Now would be a good time to disable Wi-Fi unless you need it, or Bluetooth for that matter.

Were not kidding hereopen web client tabs, especially a lot of them,chug down juice.

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Keeping them out of memory or closed will give you extra juice for other things you oughta do.

Worst case though, you could consider using a different web web client.

and Opera in Windows and macOS.

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Poor Chromeis just a killer, even though Im using it to write this article.

Either way, consider your browserit probably makes the biggest difference.

Illustration by Sam Woolley.

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Additional photos byCheong Fong Lieuw,Pete Markham,How-To Geek, andTandyman100andyoumat.

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