Blue Sea Systems 7650003 Add-A-Battery Kit Dual Circuit Battery Management System

The Blue Sea Systems 7650 Add-A-Battery Kit provides a complete two-battery bank management solution that simplifies switching between battery banks and automates charging for marine and RV applications. This all-in-one system ensures reliable power management for both engine starting and house loads.

Key Features:

• Dual Circuit Plus Battery Switch isolates engine and house circuits while allowing battery banks to be combined for emergency starting
• Integrated 120-amp SI-ACR (Automatic Charging Relay) automatically combines battery banks during charging from alternator or shore power
• Complete kit includes battery switch, automatic charging relay, and all necessary hardware in boxed packaging
• Eliminates the need for manual battery switching during charging cycles
• Protects house battery from engine starting loads and prevents accidental discharge of starting battery
• Voltage-sensitive relay ensures batteries are charged in parallel while preventing discharge between banks

This system is ideal for boats, RVs, and other applications requiring dedicated starting and house battery banks with automated charging management. The Add-A-Battery Kit simplifies installation and provides professional-grade battery management in a single integrated solution.