While there are advantages to using disposable batteries over rechargeables or a wired connection, keeping them healthy can ...

Ryobi's 18V system uses interchangeable lithium batteries that can power tools both small and large. Here's six devices worth ...

I have over a dozen AirTags in use, and my biggest problem is having to change the batteries every year or so. No more!

Researchers have developed a new hydrogel electrolyte that, combined with a Prussian blue cathode, enhances sodium-zinc ...

I have over a dozen AirTags in use, and my biggest problem is having to change the batteries every year or so. No more!

Now, there’s something new: not a new Find My device, but a new case that incorporates external batteries. With an estimated ...