After a 24-volt lithium-ion battery from the company leaked during CR's testing, we set out to find out more about the ...

Lithium-ion batteries power most of our devices and electric cars, but they come with challenges. Lithium is expensive, hard ...

Lithium-ion batteries are the backbone of mobile devices and electric cars, but lithium can be costly and explosive. Proton batteries—which rely on more abundant materials—have been touted as ...