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.
Boat two battery setup.
Blue sea two battery switch acr dual charging system.
By tom burden last updated 6 1 2020.
Is your boat battery always going dead.
Two battery boat setup with wiring diagram.
But a 1 2 both marine battery switch also allows you to parallel both batteries.
Installing a second battery in your boat adds many extra hours away from land.
The both setting might be used when you are running your engine and want to charge both batteries from the alternator or if you need to parallel the batteries in an emergency to help start your engine if your start battery becomes too depleted.
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 is the best way to make sure that your.
You ll never have to deal with a dead boat battery again if you do this.
This dual battery setup for boats uses the blue sea add a.
All you need now is some space a few basic tools a little knowledge and another battery.