Assuming your boat is of recent abyc standard construction that means youve got two batteries a 120 volt ac shore power charger and one engine with an alternator. There are many ways to use a perko battery on off switch.
Boat Battery Charging Diagrams C3 Wiring Diagram
Boat battery switch diagram. The boats bilge pump float switch. A marine battery switch can be used to prolong the life of your marine electrical system. The most obvious and most common is simply to use it to turn off your battery when in storage so that your battery does not drain as quickly and is ready to go when you are. 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. However using a waterproof boat battery switch to distribute power usage will increase the life of your battery. Id rather have a dead battery than a swamped boat.
Its pretty standard in boat wiring to bypass the main battery switch for one thing. This way even if your battery switch is off if your boat starts filling with water the pump will still kick on. This dual battery setup for boats uses the blue sea add a battery kit for charging marine batteries. It shows the elements of the circuit as simplified forms and the power and signal connections between the tools. Heres the typical main battery switch. Batteries are at the heart of the electrical systems found on any boat or vehicle.
Read more about how battery switches work here. Proper battery management including switching and charging is essential for safe and reliable operation. Most boats will have positive and negative busses where area wires come together. Assortment of perko marine battery switch wiring diagram. Two battery boat setup with wiring diagram. Blue sea two battery switch acr dual charging system.
If your boat came from the factory with only one battery or with two batteries of inadequate size consider installing a second battery bank. A wiring diagram is a simplified conventional photographic representation of an electrical circuit. Weve changed the diagram a bit now to show the start battery running through our new marine battery switch a double pole onoffcombine battery switch like this one is a great choice for a single engine two battery boat wiring system. Even the best marine batteries can wear down. By captain john wenz. By tom burden last updated 612020.
An manufacturer of marine hardware and accessories. The following basic wiring diagrams show how batteries battery switches and automatic charging relays are wired together from a simple single battery.
Gallery of Boat Battery Switch Diagram
