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Blue Sea Systems Solanoid + Battery Dual Circuit System
A complete two battery bank management solution Dual Circuit Plus Battery Switch isolates engine and house circuits, and combines battery banks for emergency starting. The 120 Amp SI ACR automatic charging relay combines batteries for charging. The Blue Sea electrical Marine battery includes a boat battery switch and an automatic charging relay which simplify switching and automate charging so that all you have to do is switch the battery ON when you arrive and OFF when you leave.