Easy ways to wire 2 boat batteries for your rig
Learning how to wire 2 boat batteries isn't as scary as it looks once you get the basics down and understand what you're trying to achieve on the water. Whether you're tired of your fish finder killing your cranking battery or you just want the peace of mind that comes with a backup, a dual-battery setup is a total game-changer. Most boaters eventually realize that relying on a single battery is a bit like walking a tightrope without a net—it works until it doesn't. ...