Description
Dual Pro 4 Bank Charger w/ Battery Optimizer | Boat Supply Store
For serious anglers and boaters demanding peak power, this integrated system addresses premature battery failure in series configurations by actively balancing voltage across up to six batteries. The Dual Pro SS4 Auto provides 40A total output, automatically detecting and charging both Lithium and AGM chemistries via a multi-stage charging process. This advanced setup ensures maximum run time and longevity, critical for extended days on Lake Fork chasing bass or navigating coastal waters.
Key Features
- Actively balances battery voltage in series configurations with the Dual Pro B.O.S. system.
- Automatically detects and charges both Lithium and AGM batteries with the SS4 Auto charger.
- Waterproof design engineered for reliable operation in all marine environments.
- Fully automatic, multi-stage charging with independent outputs for optimal power delivery.
- Future-proofed with AutoProfile Intuitive Charging Technology for evolving battery technologies.
- Quickest charge times within its performance class for minimal downtime.
- Ignition protected to meet US Coast Guard 33 CFR 183.410 safety standards.
- 3-Year Warranty for assured performance and peace of mind.
Specifications
| Product Specifications | |
|---|---|
| Total Amperage Output | 40A |
| Number of Banks | 4 |
| Battery Chemistry Support | Lithium/AGM |
| B.O.S. Series Battery Support | Up to 6 |
| B.O.S. Transfer Rate | Up to 7.5A |
| B.O.S. Sleep Mode Current Draw | < 1mA |
| Waterproof | Yes |
| Ignition Protected | Yes (US Coast Guard 33 CFR 183.410) |
| FCC Compliance | 15 Parts A & B |
| ISO Standards Met | 8846 Marine |
| Warranty | 3-Year |
Who This Is For
Boaters, anglers, and marine enthusiasts utilizing multiple batteries in series for demanding onboard electronics and trolling motors. This system is designed for those prioritizing maximized battery performance, extended operational run time, and superior longevity.
How It Compares
| Feature | Dual Pro 4 Bank Charger w/ Battery Optimizer | Minn Kota Precision Dual Bank Battery Charger MK 220D |
|---|---|---|
| Number of Charging Banks | 4 | 2 |
| Lithium Battery Support | Yes | No |
| Battery Optimization System (Series Balancing) | Yes (B.O.S.) | No |
| Total Amperage Output | 40A | 20A |
| Waterproof | Yes | Yes |
Common Concerns Answered
Is the initial cost significantly higher than basic chargers?
While the initial investment is higher than rudimentary chargers, the Dual Pro SS4 Auto with B.O.S. provides substantial long-term value. By actively preventing premature battery failure and significantly extending battery lifespan, it delivers superior return on investment for demanding marine applications.
Is the setup process complicated?
The setup of the B.O.S. system requires a fundamental understanding of series battery wiring configurations. However, once wired correctly, the charger unit itself functions as a plug-and-play system, simplifying ongoing operation and maintenance.
Will this system improve my battery performance on the water?
Customer sentiment is overwhelmingly positive, with users reporting marked improvements in battery longevity and overall performance, especially for high-demand trolling motor systems. The integrated battery balancing is a key differentiator for serious boaters.
Frequently Asked Questions
What is the B.O.S. Battery Optimization System and how does it function?
The B.O.S. (Battery Optimization System) actively monitors and balances voltage across batteries connected in series. It intelligently transfers charge to equalize voltage levels, preventing individual batteries from overcharging or undercharging, thereby extending their lifespan and optimizing overall performance.
Can this charger be used with both Lithium and AGM batteries?
Yes, the Dual Pro SS4 Auto charger is specifically designed with AutoProfile technology to automatically detect and charge both Lithium (LiFePO4) and AGM battery chemistries, offering broad compatibility.
What is the amperage output per bank for the SS4 Auto charger?
The Dual Pro SS4 Auto charger delivers a total of 40A output, distributed intelligently across its four independent charging banks to provide optimal charging current for each battery.
Is this charger waterproof?
Yes, both the SS4 Auto charger and the B.O.S. system components are fully waterproof, ensuring reliable operation and durability in both freshwater and saltwater marine environments.
How does the B.O.S. system improve battery life and performance?
By actively balancing voltage across series-connected batteries, the B.O.S. system prevents the premature failure modes associated with unbalanced loads. This equalization ensures all batteries operate within optimal parameters, leading to quadrupled run time on the water and a significantly extended service life for the entire battery bank.