How about sailing the boat while the motor is engaged? May need some fine tuning and tweaking but a motor turning over should generate a current. Also recommend a solar panel or two on the boat at least when you come on board after a period it will have been fully charged. Neither of these will be fast charges but free and green. if you mainly sail your boat this should help with range and economy. Can't help with the fine details of battery management systems but there is lots of good information on this site that should help.
--- In electricboats@yahoogroups.com, <luke.wolbrink@...> wrote:
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> Hello all,
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> I'm in the process of converting my sailboat to electric. I've got just about everything worked out with the exception of charging. I'm purchasing individual 48v 20ah lifepo4 batteries to make up a 100ah bank. How do I go about charging them? Each battery has bms so can I just hookup a single high output charger and let each battery's BMS take care of when to charge and not? Alternately do I hookup 5 individual chargers that are sized to the individual batteries? How do I isolate in that case? A diagram and suggested chargers would be most helpful.
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> thanks
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