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Old 06-04-2013
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Re: Power Battery Set up for 27ft sailboat

On my Cal 2-27 I have two 6V "golf cart" batteries (Costco) as a "main" bank (about 200Ah capacity) and a 50Ah AGM "wheelchair" battery (Sears Diehard) as a "reserve". The alternator and battery chargers (shore power and solar) are wired to the main bank, with a Yandina battery combiner between the main and reserve banks. Either bank will start the Yanmar 2gm20, no sweat; so when I'm using any battery power I just leave the battery selector switch on the main bank all the time, saving the reserve as a back-up in case the main bank gets drawn down too much or fails for some other reason (neither of which as ever happened).
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Last edited by SlowButSteady; 06-04-2013 at 02:55 PM. Reason: Can't let chrisncate go all "Monk" on us if I leave a typo
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