Before I go and buy one , I just thought I would see if I could find out, what other members have fitted.
Reading about batteries, ie the AH rating, it sounds that the Higher the AH is , the more work the Dynamo has to do to replenish the battery.
At present the old battery is 60 AH.
I have never changed this battery, and has worked ok for the last 3 years since I have had the boat.
The fact that I have to buy a new battery,would a slightly High AH rating be better.
- Sub Lieutenant
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Join date : 2017-05-04
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Location : BOURNE END BUCKS
If the battery is purely for starting replace the battery with similar to what you have or a good quality battery for a small car ( because that's what your engine is for , eg 063, look it up) Don't buy a calcium plate battery, the normal dynamo ( or alternator) technology will not charge it properly and it will quickly fail.
Or you go for a dual purpose battery that will suit both starting and leisure assuming you have room in your bay, I'm sure someone with experience of this type will furnish further advice.
"2012/13 to present ......1971 Freeman 23 "Flittermouse"....
Before ...... 1974 Freeman 22 Mk2 . "Verona" Narrow Beam
Mirror / Enterprise / Leisure 17 /Hardy 17MS/ Hardy 20 Pilot
- Vice Admiral
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Assuming you have a separate leisure battery I'd say just replace it with the same physical size and AH rating.