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03-25-2020, 08:55 AM #1
Question for the electrical engineers.
A LONG time ago (early 90’s) I spent my summers down at the marina. Most of the boats were sail and trawlers. At the time (from what I remember) they all had giant house bank batteries and normal starting batteries. They were usually isolated by a perko switch. The switch would be in 1+2 when the engine was running.
So.... my question is;
How did the alternator charge the two drastically different battery banks? Seems like one would be under or over charged. I thought the stronger battery would get ruined trying to charge the weaker one?
Thanks.-Blaine
2019 Makai
2013 LSV (sold)
1997 Bayliner 1850 (sold)