[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 ...

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[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 ...

Autoblog aims to feature only the best products and services. If you buy something via one of our links, we may earn a commission. Aug 14, 2025 12:25 PM EDT A dead battery of any kind is a nuisance to ...

Whether you're dealing with a dead battery on a cold morning or just trying to maintain your car during long periods of no driving, knowing how to properly charge a car battery is important. A ...

It seems ridiculous, but even electric vehicles, plug-in hybrids, and hybrids that carry big powerful high-voltage batteries also require a 12-volt battery. And certain usage patterns can end up ...