"It's a terrific charger-and-battery combo." TheStreet aims to feature only the best products and services. If you buy something via one of our links, we may earn a commission. If you're still using ...

Scientists have built the first rechargeable hydride ion battery. Hydride ions (H⁻) have drawn interest as potential charge carriers for future electrochemical devices because of their extremely low ...

Stellantis claims it has found a way to deliver more driving range and higher energy efficiency in run-of-the-mill electric cars. By combining all the different components that usually sit outside an ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. Lithium-ion batteries—like the one in your laptop—degrade over ...

There is a thriving aftermarket for smartphone cases, some of which just offer protection while others contain a battery that can recharge your phone. In this review, we looked at six of them. The ...