Add-A-Battery Kit - 120A

The ADD-A-BATTERY is as simple to operate as an ON-OFF switch, yet effectively manages the switching and charging of two batteries from a single charge source

The Add-A-Battery includes a Dual Circuit Plus™ Battery Switch and an Automatic Charging Relay. These components simplify switching and automate charging, so that all you have to do is turn the battery switch ON when you arrive and OFF when you leave.

Dual Circuit Plus™ Battery Switch

• Simplifies switching
• Isolates engine and house circuits
• Combines batteries for emergency starting
• Tin-plated copper studs for maximum conductivity and corrosion resistance

ACR Automatic Charging Relay

• Automatically combines batteries during charging
• Isolates batteries during engine cranking and when not charging
• Shares the charge between two batteries more efficiently than a battery isolator
• Allows efficient dual battery charging without needing regulator adjustment or rewiring

Support

  Frequently Asked Questions

Installation

Diagnostic Flowchart
Instructions
LED Status Chart

Reference

Battery Management Wiring Schematics for Typical Applications

Articles

Start Lockout for Two Engines
SI ACR Performance during Charger Float Mode
Blue Sea Systems' Dual Circuit Battery Switch
Upgrading Battery Switching and Charge Management with the ADD A BATTERY Dual Circuit System
Overcoming Dropout of House Electronics during Engine Starting
ACR Operation
Automatic Charging Relay - An Alternative to Multiple Output Charging Systems

Videos

Add-A-Battery Video

Marketing Materials

Add-A-Battery
You Can Do It: Add-A-Battery

Product Certificates

CE Certificate for Automatic Charging Relays
CE Certificate for E-Series and HD-Series Battery Switches
Declaration of Conformity for E and HD-Series Battery Switches
Declaration of Conformity for Automatic Charging Relays
Declaration of Conformity for PN 5511e

7649	65A
7649003	65A
7650	120A
7650003	120A
7653
7654
7655