We've tested hundreds of laptops to find the ones that last the longest between charges. These battery-life champs will ...

The HP Spectre x360 14 was one of the first Windows laptops we tested that actually had great battery life, a welcome change ...

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 ...

The first number denotes the amount of time the laptop was charged and the second denotes the amount of time the battery lasted. The training data file can be downloaded here (this will be the same ...

Remember to consider whether having a lighter, thinner laptop or a touchscreen laptop with a good battery life will be important to you in the future. Size is primarily determined by the screen ...

The laptop PCMag received for testing is the ... as they are all very similar in terms of specs. In the site's battery rundown test, it looped a 720p video at 50% brightness and found it was ...

Thus, while the times listed here are accurate and useful as a comparison point, your own experience with a laptop's battery life will likely vary. This is because when we run our battery test we ...

The laptop packs one of Intel ... Ultimately, we’ll need to test Lunar Lake machines ourselves to uncover the full picture, and how performance and battery longevity are really balanced ...

as well as any battery-saving performance mode (although running tests in that mode is also valuable; it's just a separate ...

The video notes the battery test consisted of local video playback at 150 nits using an H.264 video file at 1080p/24fps. Lenovo's Yoga Slim laptop lasted almost 24 hours on a single charge ...