Windows 11 has a built-in report that provides insight into your laptop's battery health (and whether a replacement is actually needed).

EVs don't create much heat when they operate, which is usually a good thing — but it's a challenge when the temperature drops ...

Lots of car buyers are worried about how long EV batteries last. Research shows that modern EV batteries rarely fail. Only 0.3% of batteries in EVs sold after 2022 have had to be replaced, outside of ...

Apple's battery guide describes lithium-ion batteries as "consumable components" that naturally lose capacity over time. To slow that decline, iPhones use Optimized Battery Charging, which learns your ...

I looked at three years of exclusive CNET data of iPhone performance to find out which models hold their charges best. Patrick Holland has been a phone reviewer for CNET since 2016. He is a former ...