Well, this is what is driving me back from the brink of a big investment in slim, sealed AGMs to comtemplating a load of truck-sized 8D lead-acids that will require me to carry around a hygrometer and a couple of jugs of distilled water.
At least I am familiar with the technology and the maintenance isn't particularly daunting.
I am lucky (well, I planned it that way, really) in having the sort of boat where I can carry weight like batteries low, cool (outside of the engine compartment) and can keep them accessible from above. So I don't really require the "forget about 'em" advantages of AGM like some do. But I do plan on having four 8Ds or the equivalent and I want short cable runs tying everything together, because I want to have a lot of reserve capacity in order to avoid using the diesel to charge, so this means some framing, carpentry and planning is required.
And a tape measure.
Maybe I should look anew at the Surrettes. Easier on the back.
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