replacment of battery

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Aug 3, 2009
109
Catalina 30 great neck, ny
Hope all of you are on the water today. It is just too hot in NY and working in this climate is like sailing in a hurricane.

I have to replace one battery on my 1980 Catalina 30 and the boat is out at the east end of Long Island as I cook in Nassau County. The battery box is located under the navigation table and I do not know the dimensions but I do want to bring a battery with me when I go out at the end of this week. Does anyone know if an Interstate 27 will fit. The 24 is 11 inches long and the 27 is 12 3/4. Will the 27 fit? I hate to make two trips.
 
May 21, 2006
321
catalina 25, 30 montauk / manhattan
too bad didn't see sooner, just left the boat. replaced both batteries recently and took note of the measurements, will check.
 
Nov 7, 2012
678
1978 Catalina 30 Wilbur-by-the-Sea
I imagine this varies from boat to boat. Mine had a 24 starter battery for the Outboard and a 27 for a house cell. I am making it 2 24's in parrellel with not starter just to make things uniform.

Battery boxes can be had for about $10 on Amazon or at your local Walmart so it really is a matter of taste.

Get a 24 and you can always stuff the box with a bit of foam if it is too small.
 
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