Installing a second battery in your boat adds many extra hours away from land. I attached a photo of my current battery set up installed by a local shop.
Best Dual Purpose Marine Battery To Power Fishing Boats
Two battery setup boat. Choose a marine battery that meets the engine specs. How to install a marine dual battery setup for your boat 1. Make sure the dual battery switch is designed for two batteries some are. Blue sea two battery switch acr dual charging system. Dual battery setup utilising the old kiss theory for your boats dual battery setup guarantees the elimination of those mysterious drains in your boat wiring system that can cause dead batteries while youre not using your boat. Boats often need two banks to have a reserve bank to be sure the engine will start or to have a large house bank so you can run bigger dc loads for longer time periods.
All you need now is some space a few basic tools a little knowledge and another battery. I typically use battery number to setting as that is the one connected. The traditional dual battery setup lets you choose which of your batteries are used or charged. Having a dedicated starting battery and a dedicated house battery to run extra appliances with the engine off means you can party anchored on the water for hours without risking killing your battery and not starting again. So you know youre always gonna have a backup battery to start the boat. If the battery switch is set to one or two then if that circuit that house circuit is connected to one battery it cant drain both batteries.
All right enough yakking. Hi all im relatively new to boat electrical set up. Install the second battery to the boat. To add a second deep cycle battery for additional power with two batteries and a 1 2 all two bank manual switch already installed in your boat you have all the basics in place to add as much battery power as you want. And i think thats the best compromise given the way the boat is wired up now. Pick the best battery switch for your boat.
Two battery boat setup with wiring diagram. There are two deep cell batteries connected to a switch. In this video i go over dual boat batteries with a battery selector switch electric trolling motor systems and how to wire and install them along with an on board battery charger. If your boat came from the factory with only one battery or with two batteries of inadequate size consider installing a second battery bank. This dual battery setup for boats uses the blue sea add a battery kit for. Be sure to.