In this comprehensive tutorial, you'll learn how to make a battery charger from scratch! Whether you're a DIY enthusiast or a ...

In this enlightening video, we guide you through the fascinating process of creating a saltwater battery, an ingenious ...

SAN FRANCISCO -- During an emergency, it's important to keep your cellphone handy and charged. In the event the power goes out, it's going to be even more difficult to find a place to plug back in and ...

Battery low and yet miles to go. It’s a pain for consumers and a challenge for manufacturers: how do you make a battery that can store more charge and deliver power for longer so that devices from ...

Scientists have discovered how to make the batteries commonly found in everyday tech gadgets perform better. A lithium-ion battery, which is used in everything from mobile phones to our cars, is ...