[Brandon Fiquett] does a lot of amateur radio communications and needed a rugged portable power supply that he could take with him on the road. He decided to make a 12V power supply out of an antique ...

Electric vehicles are all the rage nowadays, and manufacturers are trying to one up each other every day as to who can fit the most efficient or the largest battery pack in an EV. But despite battery ...

The old-fashioned 12-volt lead acid battery hasn't changed much since the mid-1950s. Now it's getting a makeover to handle a host of new responsibilities in electrified, automated and software-defined ...