For many of us, the falling of leaves marks the end of the sailing season. The boat is winterized for the season and our minds shift gears, away from sailing. As the new year comes, we catalog the winter projects we had intended to tackle. Bottom paint, of course. Fresh varnish may be needed inside and out. Deck fittings need re-bedding.
Battery manufacturers want their batteries recharged to 100-percent state of charge after each discharge. In reality, few cruising boats (or any boats kept on a mooring) return their batteries to 100-percent state of charge after each cycle. If this partial state of charge operation continues, your very expensive AGM battery will soon perform no better, if not worse, than a common deep-cycle flooded battery bank. To keep that from happening, we have a few tips.