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Discussion in 'Boats and Motors' started by twistertail, Apr 18, 2005.

  1. What is the difference between a car battery and a marine battery?
  2. 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.

  3. Ok thanks, I was wondering which one to get for my boat.:rolleyes:

    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.