---
product_id: 3836439
title: "Blue Sea Systems 7650 Add-A-Battery Kit - Dual Circuit Battery Management System, 120 Amps"
brand: "blue sea systems"
price: "91.59 OMR"
currency: OMR
in_stock: true
url: https://www.desertcart.com.om/products/3836439-blue-sea-systems-7650-add-a-battery-kit-dual-circuit
store_origin: OM
region: Oman
---

# 120A max charging current Dual battery management Automatic battery isolation Blue Sea Systems 7650 Add-A-Battery Kit - Dual Circuit Battery Management System, 120 Amps

**Brand:** blue sea systems
**Price:** 91.59 OMR
**Availability:** ✅ In Stock

## Summary

> ⚓ Power your adventures with smart, seamless battery control!

## Quick Answers

- **What is this?** Blue Sea Systems 7650 Add-A-Battery Kit - Dual Circuit Battery Management System, 120 Amps by blue sea systems
- **How much does it cost?** 91.59 OMR with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.om](https://www.desertcart.com.om/products/3836439-blue-sea-systems-7650-add-a-battery-kit-dual-circuit)

## Best For

- blue sea systems enthusiasts

## Why This Product

- Trusted blue sea systems brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Emergency Power Combine:** Instantly merge battery power when you need that extra boost—never get stranded.
- • **Streamlined Battery Switching:** Simplifies managing dual battery systems with intuitive switching.
- • **Smart Start Battery Protection:** Automatically isolates your engine start battery to safeguard sensitive electronics.
- • **Corrosion-Resistant Conductivity:** Tin-plated copper studs ensure maximum conductivity and long-lasting durability.
- • **Effortless Dual Battery Charging:** Seamlessly powers two batteries from one source—no extra regulators needed.

## Overview

The Blue Sea Systems 7650 Add-A-Battery Kit is a compact, 120-amp dual circuit battery management system designed for boats. It efficiently charges two 12V batteries from a single source, automatically isolates the start battery to protect electronics, and features an emergency combine function. Built with corrosion-resistant tin-plated copper studs, it ensures reliable conductivity and simplifies dual battery switching for enhanced marine power management.

## Description

Blue Sea Systems 7650 Add-A-Battery Kit - Dual Circuit Battery Management System, 120 Amps

## Features

- Allows two batteries to be efficiently charged from a single charging source without external regulators or isolators
- Automatically isolates house battery during starts to protect electronics
- Provides an emergency combine feature to draw power from both batteries
- Simplifies switching for two battery systems
- Tin plated copper studs on the battery switch provide maximum conductivity and corrosion resistance

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Item Weight | 1.5 Pounds |
| Size | #23611 |
| Terminal | Through Hole |
| Voltage | 12 Volts |
| Compatible with Vehicle Type | Boat |

## Product Details

- **Brand:** Blue Sea Systems
- **Color:** Black
- **Product Dimensions:** 12"D x 9"W x 5"H
- **Item Weight:** 1.5 Pounds
- **Specification Met:** Etl, Ip54

## Images

![Blue Sea Systems 7650 Add-A-Battery Kit - Dual Circuit Battery Management System, 120 Amps - Image 1](https://m.media-amazon.com/images/I/81-AL2+wQiL.jpg)

## Available Options

This product comes in different **Style** options.

## Frequently Bought Together

- Blue Sea Systems Add-A-Battery Kit
- Blue Sea Systems - Battery Switch ON/Off AFD
- BOJACK MEGA Car Fuse Holder for ANM Bolt-on Fuse (Pack of 2 Pcs)

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.com.om/products/3836439-blue-sea-systems-7650-add-a-battery-kit-dual-circuit](https://www.desertcart.com.om/products/3836439-blue-sea-systems-7650-add-a-battery-kit-dual-circuit)

---

*Product available on Desertcart Oman*
*Store origin: OM*
*Last updated: 2026-02-09*