Much info here for RVers too not just boaters, covering many of the things discussed on this forum. Eg warnings about BMS amp rating vs battery AH size, charging--beware of charger absorption tim...
That article has been updated a couple times over the years by the author.
BFL13, I posted a link to a different article in this thread (LFP vs. Lead Acid) when you were confused so you could understand more of what you were debating thoughout the thread back in April of 2021. Lots of good info there.