They don’t work for everything, and there’s the recharging time to take into account. But they let me cross “buy batteries” ...

If you’ve ever gone to grab batteries right when you need them and realized the drawer is empty, this deal is for you. Right now, you can grab a 24-pack of Energizer MAX AAA batteries for only $8.99 ...

Not everything here was built initially with a baby in mind, but you and your little one are going to reap the benefits, that's for sure. View Entire Post › ...

Oct. 24, 2025 — A team of researchers has designed a theoretical model for a topological quantum battery capable of long-distance energy transfer and immunity to dissipation. By exploiting topological ...

Shine a light on the road ahead while you run. Here are the best head torches for all budgets, including petzl head torches, rechargable head torches and more.

While this guide will teach you all about charging your controllers, I’ll also tell you about another interesting way you can do so. Use the table below to make your way to the needed section. Can You ...

Ajay has worked in tech journalism for over a decade as a reporter, analyst, product reviewer, and editor. He got his start in consumer tech, breaking Android news at Newsweek before going to PCMag, ...

There are six power banks on my desk right now. On the shelves behind me are a dozen (two dozen?) more. Over the past three years, I’ve tested more than 55 portable battery packs for Engadget — and ...