Hi John
Once covered by the least amount of salt water there will be a salty film across the top of the battery. After that if not cleaned with fresh water and a brush there could be leakage of charge across the top of the battery with just a damp film. You will also experience corrosion on the terminals and any other not so well protected wirinng in the bildge. I prefer to have my batteries (2) high and dry so I made space for them on the port side under the counter next to the hatchway stairs. This location is also ideal since the cables to the engine for starting are as short as possible. I also have the batteries connected with a battery connect switch so that I can keep one battery isolated while sailing and always have a charged one ready when it's time to start the engine.
John
Southern Comfort Too.
Once covered by the least amount of salt water there will be a salty film across the top of the battery. After that if not cleaned with fresh water and a brush there could be leakage of charge across the top of the battery with just a damp film. You will also experience corrosion on the terminals and any other not so well protected wirinng in the bildge. I prefer to have my batteries (2) high and dry so I made space for them on the port side under the counter next to the hatchway stairs. This location is also ideal since the cables to the engine for starting are as short as possible. I also have the batteries connected with a battery connect switch so that I can keep one battery isolated while sailing and always have a charged one ready when it's time to start the engine.
John
Southern Comfort Too.