It's one of the essentials for off-roading - make sure you have a dual-battery setup! Most people add a second battery to their vehicle when they start adding lights, big stereos, and winches. This is ...

For the sake of fully understanding this tech project, imagine your truck being parked for a couple of weeks, and when you finally try to start the engine, there’s absolutely no response. Why? Because ...

Cars, trucks, RVs, and motorhomes run dual 12-volt batteries for various reasons. Depending on how you wire a two-battery 12-volt system, the result can be a 12-volt system or a 24-volt system—or even ...