Ignitions and Electrical› Charging Systems

BLUE SEA

SOLENOID ADD A BATTERY

$240.81

SKU: B03C 7650-BSS

In Stock
In Stock
Ships by Jul 29
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Beginner — under 30 min

Description

The Blue Sea Systems 7650 Add-A-Battery Kit is a dual circuit plus battery switch with an automatic charging relay (ACR). It simplifies switching and automates charging for two battery banks. The system combines batteries when they are on charge and isolates them when they are not. It is ignition protected for safe use in gasoline-powered boat engine compartments and designed for 12 or 24-volt systems.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandBLUE SEA
Part NumberB03C 7650-BSS

Videos

How to install dual batteries on a boat | Blue Seas Systems Add-A-Battery

How to install dual batteries on a boat | Blue Seas Systems Add-A-Battery
Blue Sea Systems Mini Add-A-Battery Kit Install on Deck Boat

Blue Sea Systems Mini Add-A-Battery Kit Install on Deck Boat
Blue Sea Systems Mini Add A Battery Plus

Blue Sea Systems Mini Add A Battery Plus
Blue Sea Systems Add-A-Battery Kit

Blue Sea Systems Add-A-Battery Kit
Blue Sea Automatic Charging Relay Install. #BlueSea #SeaRay #MarineMax #Episode215

Blue Sea Automatic Charging Relay Install. #BlueSea #SeaRay #MarineMax #Episode215
Blue Sea System Battery Switch ACR - Portland Marine Electronics

Blue Sea System Battery Switch ACR - Portland Marine Electronics
Installing the Blue Sea Systems Add-A-Battery Kit - 2002 Key West 2300 WA

Installing the Blue Sea Systems Add-A-Battery Kit - 2002 Key West 2300 WA
Beginners Guide To Boat Wiring | Blue Sea Systems Dual Battery ACR Install

Beginners Guide To Boat Wiring | Blue Sea Systems Dual Battery ACR Install
Blue Sea 7611 ACR

Blue Sea 7611 ACR
"Add-A-Battery" Dual Circuit System

"Add-A-Battery" Dual Circuit System
Blue Sea M-ACR on Bass Tracker Classic XL in action

Blue Sea M-ACR on Bass Tracker Classic XL in action

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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