Consumer Reports has been testing battery lawn mowers for well over a decade and has watched them improve. More consumers are ...

New independent tests reveal a staggering 28% difference in battery life between the Snapdragon and Exynos chip Galaxy S26.

After testing more than a dozen iPhone power banks, we found three great models that’ll charge your phone quickly and provide ...

I salvaged a large batch of 18650 cells from old laptop batteries and needed a way to figure out which ones were still worth ...

What's the one tool every EV and hybrid mechanic should own because it literally saves lives? The answer is, of course, the good ol' high-voltage multimeter.

Meet Jan de Jong, a longtime Elektor reader and retired electronics enthusiast who has spent decades repairing with ...

Dear Car Talk: I have a 2016 Toyota Highlander Limited with 166,500 miles on it. Recently, the alternator went bad, and being ...

An integrated 100-lumen flashlight has the most modes of the jump starters selected, seven in total, including SOS and strobe ...

Recently, the alternator went bad, and being a 75-year-old guy who thinks he can do most everything, I installed a rebuilt ...

Discover how to make a homemade battery capable of charging your smartphone using simple materials like copper foil, aluminum foil, and saltwater. This step-by-step DIY battery project demonstrates ...

Donut Lab released a new test showing its solid-state EV battery retained 97.7% charge after 10 days, aiming to prove critics wrong who claimed it wasn’t a real battery. Donut Lab released a new test ...