Join Date: Jun 2007
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The advert copy for the ProSport is ambiguous. The advert copy talks about "batteries" (plural) and "cables" (plural), but the picture shows only two cables (AC [input] and DC [output], I assume) and, unlike the Truecharge, mentions not the number of batteries.
Nothing like clarity, eh?
jaschrumph, having long experience with just about every kind of battery under the sun (I say "just about" because I assume there must be one or two I've missed) I think I can say with a fair bit of authority that batteries, particularly rechargeable batteries, will take no end of abuse... until you need them most. Then they will demonstrate their displeasure at being ill-treated. Lead-acid batteries can be particularly problematic as they emit hydrogen gas, which is explosive, during charging. So my recommendation would be not to skimp on the shore-power-powered charging system, lest you find yourself having to come into dock under sail some evening, with no running lights but a flashlight or two. No depthfinder. Perhaps no GPS.
Or, worse yet, out in the middle of nowhere, in trouble, with no radio.