Battery-electric vehicles, or BEVs, are increasingly all over the place. Heck, the bestselling car in the world (the Tesla Model Y) is electric, and in certain parts of the world, you can't stroll ...

The modern battery has come a long way in its 224-year history. In the place of Alessandro Volta’s piles of metal disks and brine-soaked cloth, we now have batteries the dimensions of a graham cracker ...

Batteries can be connected in series, parallel, or a combination of both, in order to give different power characteristics to ...

Lithium-ion batteries don’t like to be fully charged or discharged—it tends to shorten their life, and manufacturers have instituted margins that are in place to prevent this accelerated degradation.

Share on Facebook (opens in a new window) Share on X (opens in a new window) Share on Reddit (opens in a new window) Share on Hacker News (opens in a new window) Share on Flipboard (opens in a new ...

At a glance, the many disposable and rechargeable batteries available from various brands seem like the perfect energy storage solution. They're compact, they're consistent, and in the case of ...

What do you need out of your power source? We’ll look at which one is best for you based on your energy needs. The first time you had to endure a power outage, you were probably unprepared: These ...

The iPhone 17 claims the best battery life ever, but are the claims overblown? We spoke with CNET, which put the new phone to ...

From smartphones to laptops to even styluses like the Apple Pencil, many devices rely on lithium-ion batteries. These batteries have become increasingly popular in recent years due to their slim ...

When you find that you have a low or flat tire, you’ll be thankful you’ve packed a portable tire inflator in your vehicle.

Wouldn't it be cool if you never had to charge your cell phone? I'm sure that's what a lot of people were thinking recently, when a company called BetaVolt said it had developed a coin-sized “nuclear ...