How to wire two batteries in a boat the easy way
Knowing how to wire two batteries in a boat is one of those skills that saves you a massive headache when you're miles away from the dock and realize you've drained your power. We've all been there—running the stereo, the fish finder, and maybe a couple of lights for a few hours, only to turn the key and hear that dreaded "click-click-click." Adding a second battery is the most common upgrade for a reason, and luckily, it's a project you can definitely handle yourself over a weekend. ...