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Discussion in 'Boats and Motors' started by twistertail, Apr 18, 2005.
What is the difference between a car battery and a marine battery?
One goes in your boat and one goes in your vehicle. The marine battery goes in your boat.
Don't get snookered -- Deep cycle is all that matters. It's a function of the type of usage the battery will see in its lifetime. A deep cycle battery is designed to go from fully charged to fully discharged multiple times -- hence the name "deep cycle". It doesn't matter if it's a marine deep cycle battery (like those used for trolling motors, etc.) or an RV battery. Automotive batteries are designed to stay fully charged and avoid being fully discharged.
Ok thanks, I was wondering which one to get for my boat.
I was wondering why the marine batteries are so much more than a car battery. I remember always using old car batteries when I was a kid and used my dads boat with an electric motor but would have to take 2 batteries cause they didnt last very long.