Major advancements in power efficiency mean laptops now last longer than ever, and you should take advantage of that.

One possible cause of this problem is a faulty laptop battery. To confirm this, run a battery health test on your laptop. You can use the built-in Power Efficiency Diagnostic Report Tool ...

battery life has exploded into heights that just a few years ago would have been considered nigh impossible. With this in mind, putting every laptop we review to the test is more important than ...

That's why we put every laptop we review to the test and run them through multiple instances of our battery test, which tasks the laptop with endlessly surfing the web via Wi-Fi with its screen ...

As your laptop gets older, you will notice degradation in your laptop’s battery performance, and that’s normal. However, how much it has degraded over the years is something that you need to know.

If you have a different power adapter with you, use it to test if your laptop is charging or booting without the battery. If it’s booting up, you will have to replace your power adapter.

Though it won’t last 18 hours like Apple claims, this laptop can last you for more than a full day. In our battery test, which involves continuous web surfing with the display set to 150 nits of ...