One of the batteries is a starting battery, which is for the engine and generator. The other one is a deep cycle battery for the rest of the boat. Don't get two starting batteries. If you do, the one on the house side won't last long at all. If you can afford it, get a group 31 deep cycle for the house battery. It will last the longest.
2008 280 Express Cruiser, 6.2MPI, B3, Pittsburgh, PA "Blue Ayes" Go Steelers!!!
Comments
I just replaced a starting/cranking battery on my '04 270 w/350 merc. I used a 1000 cc / 800 cca battery.
Named her "FAMILY THERAPY"
One of the batteries is a starting battery, which is for the engine and generator. The other one is a deep cycle battery for the rest of the boat. Don't get two starting batteries. If you do, the one on the house side won't last long at all. If you can afford it, get a group 31 deep cycle for the house battery. It will last the longest.
Go Steelers!!!