Description
Blue Sea 7649 Add-A-Battery Kit | Boat Supply Store
Prevent critical starting battery failure on your vessel with this integrated dual battery solution, specifically engineered for offshore angling or extended cruising where reliable ignition is paramount. The Blue Sea 7649 kit incorporates a Blue Sea Systems m-Series Dual Circuit PlusT Battery Switch and a Mini ACR Automatic Charging Relay, allowing seamless charging of two batteries from a single alternator output. Its design ensures your primary starting battery remains isolated from accessory loads that could lead to a dead start in demanding marine environments.
Key Features
- Isolates your starting battery from accessory loads, preventing drain.
- Automates charging between two batteries from a single source via the Mini ACR.
- Simplifies dual battery system installation in a compact package.
- Ensures reliable engine starting power every time.
- Provides manual control over battery selection with the m-Series Dual Circuit PlusT switch.
- Protects against dead battery scenarios during extended offshore trips.
- Facilitates sharing a single charging source efficiently.
- Meets UL Listed safety certifications for marine use.
Specifications
| Product Specifications | |
|---|---|
| Brand | Blue Sea Systems |
| Model | m-Series Dual Circuit PlusT Battery Switch and Mini ACR Automatic Charging Relay |
| Part Number | 7649 |
| SKU | CWR47527 |
| Weight | N/A |
| Dimensions | N/A |
Who This Is For
Boaters who require a dependable starting battery, isolated from house loads, and desire an automated, efficient method for charging two batteries from a single source. This kit is ideal for those seeking to eliminate the risk of a dead starting battery during critical moments, such as initiating an offshore fishing trip.
How It Compares
| Feature | Blue Sea 7649 Add-A-Battery Kit | Blue Sea Systems 7610 e |
|---|---|---|
| Automatic Charging Relay | Included (Mini ACR) | Not Included |
| Dual Circuit PlusT Battery Switch | Included | Single Circuit ON/OFF/BOTH |
| Primary Function | Add a second battery, isolate start battery, automatic charging | Manual battery selection |
Common Concerns Answered
Is the wiring diagram complex?
While the kit simplifies dual battery management, the wiring diagram may appear intricate for individuals unfamiliar with marine electrical principles. However, detailed instructions and the inclusion of specific components aim to clarify the installation process for those with basic electrical knowledge.
What if the ACR doesn't engage as expected?
Occasional reports of the ACR not engaging are often attributable to voltage drop in the system or incorrect wiring. Ensuring proper wire gauge, secure connections, and checking for voltage drops between the batteries and the ACR are crucial steps for optimal performance.
Is the initial cost higher than a simple battery switch?
The initial investment for the Blue Sea 7649 kit is higher than basic battery switches due to the integrated functionality of an Automatic Charging Relay and a Dual Circuit PlusT switch, providing significant value in preventing dead batteries and simplifying charging.
Frequently Asked Questions
What is the purpose of the Blue Sea 7649 Mini Add-A-Battery Kit?
The primary purpose of this kit is to add a second battery to a boat's electrical system, ensuring a dedicated starting battery is isolated from house loads and providing automatic charging for both batteries from a single source.
How does the Mini Add-A-Battery Kit prevent a dead battery?
It prevents a dead battery by allowing you to manually select your starting battery and keep it isolated from accessory loads, while the Mini ACR automatically manages charging, ensuring the starting battery is always ready to crank the engine.
What components are included in the Blue Sea 7649 Mini Add-A-Battery Kit?
The kit includes the Blue Sea Systems m-Series Dual Circuit PlusT Battery Switch and a Mini ACR Automatic Charging Relay, along with necessary hardware for integration into your boat's electrical system.
Is the Blue Sea 7649 Mini Add-A-Battery Kit suitable for all boat sizes?
This kit is designed for boats that can benefit from dual battery isolation and automatic charging, typically suitable for medium-sized recreational vessels where reliable starting power is essential, such as center consoles or smaller cruisers.
What is the function of the m-Series Dual Circuit PlusT Battery Switch in this kit?
The m-Series Dual Circuit PlusT Battery Switch functions as the primary manual control interface, allowing the user to select between battery 1, battery 2, both batteries, or off, and also serves to isolate the starting battery from house loads.
