Blue Sea - Add-A-Battery Dual Circuit System polishes this is the replacement seal

this is the replacement seal

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For passing high current cables through hulls

Suitable for above and below the waterline

Exclusive "Site Gauge" template for easy installation

Blue Sea - Add-A-Battery Dual Circuit System polishes this is the replacement sealAllows two battery banks to run simultaneously with one simple ON OFF switch. The Blue Sea 7650 Add a Battery package is a complete two battery bank management solution. It features a Blue Sea 5511e Dual Circuit PlusTM Battery Switch which isolates engine and house circuits and a Blue Sea 7610 120 Amp SI ACR automatic charging relay which combines batteries for charging. The battery switch will isolate the "Start" and "House" circuits while allowing