Remember Duracell’s PowerCheck? The idea was that a strip built into the battery would show if the battery was good or not. Sure, you could always get a meter or a dedicated battery tester ...

NEW YORK — Duracell is still a billion-dollar brand, but as personal electronics have evolved from Game Boys and digital cameras to smartphones and smartwatches, the role of the battery has changed in ...

Our rigorous testing gives a fuller, all-round picture of every battery's performance. We measure their longevity when they're powering high-drain devices, test their capacity and how it changes after ...

Ultra compact and smartly designed, the GENIUS1 is a 1-amp (15-watt) device that is designed to keep 6-volt and 12-volt batteries going strong. The GENIUS 1 can charge all types of lead-acid and ...

Oct. 24, 2024 — Lithium-sulfur batteries have never lived up to their potential as the next generation of renewable batteries for electric vehicles and other devices. But mechanical engineers ...

Lithium-ion (Li-ion) battery technology has historically been the power cell of choice, especially given that we’re always all looking to maximize our smartphone’s battery life. However ...

Most of us — casual users and enthusiasts alike — are forever searching for smartphones with the longest battery life. And while fast charging keeps us topped up every day, the absence of ...

Homeowners could save up to £796 per year on their energy bills by installing a battery storage system in their home, according to The Energy Savings Trust. For a three-bedroom home, with average ...

Alkaline batteries are more affordable than lithium batteries and great for use around your house. Here are CNET's picks of the best alkaline batteries. Laboratory Technical Project Manager ...

I’m one of the consumer PC experts at PCMag, with a particular love for PC gaming. I've played games on my computer for as long as I can remember, which eventually (as it does for many) led me ...

Battery stocks haven't fared well for much of 2024, but a big rally has put them back in the spotlight. The Global X Lithium & Battery Tech ETF (ticker: LIT) gained more than 20% in September. The ...