Portable solar panels and solar battery chargers are easy-to-use devices that provide backup power to anyone who happens to be away from a working power outlet, including hikers, car campers, and even ...

This report is a follow-up to our how-to tech article on updating the dual-battery system in a 1995 Ford F-350 crew-cab dually. For any car or truck with a 12-volt charging system (for operating its ...

Summer is here, and with it comes glorious sunshine. As well as keeping your vitamin D levels topped up, the sun can be a free source of off-grid power for your gadgets. If the thought of your ...