How to Hook Up 2 Boat Batteries the Right Way
Learning how to hook up 2 boat batteries is one of those DIY skills that saves you a massive headache—and potentially a long tow back to the dock—when you're out on the water. There is nothing quite like the sinking feeling of turning your key and hearing absolutely nothing because your single battery died while you were listening to the radio or running the livewell. Adding a second battery is the most common "insurance policy" boaters invest in, but you have to do it right or you'll end up with a mess of wires and blown fuses. ...