I doubled my laptop's battery life in a single click. Here's how

When you purchase through links in our articles, we may earn a small commission. I doubled my laptop's battery life in a single click. This week in Smart Mode, we look at Microsoft's ways to save power within Windows and keep your laptop up and running for longer. It's not often that I come across a productivity tip so good that it amazes even me. And that's what happened when I started testing Windows' hidden "energy recommendations" to extend laptop battery life.