I just picked up my 2020 242x and like most the house battery can only handle 4 6 hours of running the stereo. Unless you have a high power audio system trolling motor or other high current draw items a dual battery setup is not necessary.

Ultimate Guide To The Best 12v Dc Dual Battery Isolator In 2020
Adding a second battery to a boat. Blue sea two battery switch acr dual charging system. When i bought her new my boat had just a single 75ah domestic battery best described as adequate if you remained frugal with the amps. It has off 1 2 both so off is just that on for 1 and on for 2. I want to add a 2nd house battery to help. Pick the best battery switch for your boat. The add a battery includes a dual circuit plus battery switch and an automatic charging relay.
What needs to be done to my stock. Blue sea systems battery switch 5511e acr 7610 6 volt battery bank diagram in series parallel duration. The make a dual battery switch. 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. Avoid the inconvenience and cost of a tow by adding a second battery to your boats electrical system. Adding a second battery to a boat.
Choose a marine battery that meets the engine specs. The add a battery is a simple approach that helps keep you and your boat safe. This is the set up i used on my first boat but it was kept in the water and not on a trailer. If ether battery is that low than you use both and the two batteries are now combined. This dual battery setup for boats uses the blue sea add a battery kit for charging marine batteries. I apologize in advance but didnt see the straight forward answer i was looking for on other threads.
Adventures of the tight little tribe 39059 views 759. Adding a second battery will help you avoid being stranded. Adding a third battery tags. How to install a marine dual battery setup for your boat 1. If your boat came from the factory with only one battery or with two batteries of inadequate size consider installing a second battery bank. Install the second battery to the boat.
Bob goode boosts onboard power from a single to a double battery bank. Adding a second battery to my pontoon boat whether or not you actually need a second battery depends on the electrical load imposed. Make sure the dual battery switch is designed for two batteries some are. But having sunk the childrens inheritance into the hull and other essentials there was nothing left over for the rather expensive second battery.