Rechargeable batteries have become an indispensable part of our daily lives. It's thanks to them that you can take your MacBook laptop anywhere and everywhere, even if you don't have an outlet to plug ...

Not all batteries get used all the time. While the AA batteries in your wall clock, home security camera, or TV remote may get a daily workout, other battery-powered items like flashlights, drones, ...

They're in our phones, laptops and smartwatches—but lithium-ion batteries can be dangerous when damaged or overcharged.

This article is a preview of The Tech Friend newsletter. Sign up here to get it in your inbox every Tuesday and Friday. After I wrote recently about how you can reduce the risk of fires from ...