Why do you feel the batteries need to be replaced?
80% of batteries fail due to sulfated plates. The process can be reversed with a desulfator.
Not only can you possibly revive your current batteries, but a desulfator can be used to revive other batteries that have been discarded enabling you to beef up your battery bank and extend your cruise time.
http://leadacidbatt
I will be launching my first electric boat this summer. It will be powered by the 8 Trojan T-105s I picked up for free last weekend.
They are in pretty bad shape, but the first pair are responding nicely to pulse conditioning with a Charged Inductive Pulse (CIP) desulfator. The standing voltage has risen 1.11 volts in the last 3 days. If they finish off in like new shape the process should be done in another week.
I agree with the other fellow that charging any bank greater that 12v should be done with multiple 12v chargers.
Higher voltage chargers for the higher voltage banks always result in the weakest cell destruction by overheating and cascade failure of the bank. To some degree this is avoided by using 12v chargers on the 12v segments.
Don
--- In electricboats@
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> Hello, I just joined since I just acquired a 16' pontoon boat with a transom mounted 65# thrust, 24v motor and four 12v marine batteries. I've always thought about solar powering a pontoon/houseboat since it sits in sunshine all week, in between uses.
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> This boat came with a trailer, which I purchased for another traditionally powered pontoon boat that I've just redone. But this electric concept dominates my mind now that I own the setup. The batteries have to be replaced along with the wiring, but the motor does work. It even has an up/down feature for trailering.
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> So, to begin the process I need to select some batteries for this 24v system. I've scrolled down througn a few pages of posts and saw the discussion between flooded and AGM batteries, plus the charging demands of each. I have shore power available at my lake dock and already own an automatic 12v car charger.
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> I'd like to financially stay at an entry-level enthusiast for this season, and then possibly incorporate some solar cells on a hardtop or softtop next season. I'm also stealing the bimini top from this boat for the other one, and just missed out on a used hardtop for sale at $150.
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