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Blue Sea Dual Circuit Plus Battery Bank Combiner 7650

Blue Sea Dual Circuit Plus Battery Bank Combiner 7650

Blue Sea Systems

Regular price $270.95 USD
Regular price Sale price $270.95 USD
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Blue Sea Systems Dual Circuit Plus Battery Bank Combiner 7650

Battery switch & SI ACR kit automatically combines battery banks during charging, isolates batteries when they are discharging & allows combining of banks for emergency starting.


  • Blue Sea Add-A-Battery kit

  • Kit includes (1) Blue Sea 5511e Dual Circuit battery switch and (1) Blue Sea 7610 SI ACR automatic charging relay

  • The perfect way to charge both a starting battery and a house battery from 1 alternator

  • Designed to switch 2 battery banks simultaneously while maintaining battery bank isolation

  • ACR combines batteries to share the charge when engine is on

  • ACR isolates the battery banks to protect the starting battery from discharge when engine is off

  • Allows for the combining of battery banks for emergency engine starting

  • Start isolation temporarily separates house loads from engine circuit during engine cranking to protect sensitive electronics

  • Designed for use with most inboard and outboard powered boats

  • 120 amp continuous rating

  • 12V or 24V DC voltage input

  • LED indicator displays ACR status

  • Shares the charge between two batteries more efficiently than a battery isolator

  • Allows efficient dual battery charging without regulator adjustment or rewiring

  • Easy to install and wire – does not require integration with engine wire harness

  • Meets ISO 8846 and SAE J1171 – ignition protection requirements

  • Dual Circuit Plus battery switch is waterproof rated IP66 – protected against powerful water jets

  • SI ACR is waterproof rated IP67 - temporary immersion for thirty minutes

  • CE marked
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! Compatibility references are provided for informational purposes only and do not constitute a fitment guarantee. Part numbers, application listings, and "replaces" cross-references are based on manufacturer data and are intended as a starting point for identification — not a guarantee of fit for your specific engine, hull, or installation.

Buyer is solely responsible for verifying compatibility with their engine model, serial number, model year, and trim configuration before purchase. If you are unsure whether this part fits your application, contact MacombMarineParts.com before you buy — we're available via text, email, or online chat to help verify compatibility for your specific application.

MacombMarineParts.com is not liable for parts ordered based on assumed fitment. Returns due to buyer-selected incorrect fitment are subject to our standard return and restocking fee policies.