Description
Dual Pro RS4 4 Bank Charger w/BOS | Boat Supply Store
Designed for multi-battery systems commonly found on offshore rigs and serious fishing vessels, this integrated charging solution actively addresses battery imbalance. The Dual Pro RS4 4-Bank charger, delivering 24A independent output per bank, works in concert with the B.O.S. Battery Optimization System, which employs a BSAP-24 algorithm to shuttle energy and equalize voltage. This setup is crucial for maximizing the operational lifespan and consistent power delivery of batteries wired in series, preventing common performance degradation experienced by anglers on the Gulf Coast.
Key Features
- Actively Balances battery voltage in series with Dual Pro B.O.S.
- High Output 24A per bank on the RealPRO Series charger
- Optimizes Battery Life using BSAP-24 algorithm for selection and prediction
- Independent Operation with discrete outputs for each of the 4 banks
- Marine Ready with waterproof design and ignition protection
- Versatile Compatibility with both wet cell and AGM battery chemistries
- Enhanced Safety including reverse polarity protection
- Global Operation with universal 100-240 VAC input
Specifications
| Product Specifications | |
|---|---|
| Brand | Dual Pro |
| Model | RS4/BOS12V2 |
| Charger Banks | 4 |
| B.O.S. Banks | 2 |
| Amperage per Bank (Charger) | 24A |
| B.O.S. Transfer Rate | Up to 7.5A |
| Battery Support (B.O.S.) | Up to six batteries in series |
| Waterproof | Yes |
| Ignition Protected | Yes (US Coast Guard 33 CFR 183.410) |
| Battery Chemistries | Wet Cell, AGM |
| Input Voltage | 100-240 VAC 50/60HZ |
| Safety Certifications | ISO 8846, US Coast Guard 33 CFR 183.410, FCC 15 Parts A and B |
Who This Is For
Boaters and fishermen operating complex multi-battery systems, particularly those with trolling motor configurations, who require maximized battery performance and longevity. Also suitable for users of golf carts, RVs, and similar applications utilizing batteries wired in series.
How It Compares
| Feature | Dual Pro RS4 4 Bank Charger w/BOS | Minn Kota Precision Dual Bank Charger 10A |
|---|---|---|
| Number of Banks | 4 (Charger) + 2 (B.O.S.) | 2 |
| Amperage per Bank (Charger) | 24A | 10A |
| Battery Optimization System | Yes (B.O.S.) | No |
| Waterproof | Yes | Yes |
| Ignition Protected | Yes | Yes |
Common Concerns Answered
Is the B.O.S. system complicated to understand?
While the concept of battery balancing might be new, the Dual Pro B.O.S. system employs an intelligent BSAP-24 algorithm designed to automatically manage energy transfer. Users appreciate its game-changing effect on multi-battery setups, even if initial understanding requires review of the manual.
Are the DC charge cables long enough?
Some users have expressed a desire for longer DC charge cables. Consider purchasing extended marine-grade cables separately to ensure optimal placement and connection for your specific battery bank configuration.
Why is this charger more expensive than basic models?
The higher initial investment is directly attributed to the integrated Dual Pro B.O.S. Battery Optimization System, which actively extends battery life and performance, offering a superior long-term value compared to standard chargers for complex marine electrical systems.
Frequently Asked Questions
What is the B.O.S. Battery Optimization System and how does it work?
The B.O.S. (Battery Optimization System) is an intelligent module that actively monitors and shuttles energy between batteries wired in series. It utilizes a BSAP-24 algorithm to equalize voltage, preventing individual batteries from becoming overcharged or undercharged, thereby extending overall battery life and runtime.
What is the amperage output of each bank on the Dual Pro RS4 charger?
The Dual Pro RS4 charger features independent outputs, with each bank delivering a robust 24A of charging current.
Is the Dual Pro RS4 charger waterproof?
Yes, the Dual Pro RS4 charger is designed with a waterproof enclosure, making it suitable for the demanding marine environment.
What types of battery chemistries are compatible with the Dual Pro RS4 and B.O.S. system?
Both the Dual Pro RS4 charger and the B.O.S. system are approved for use with common marine battery chemistries, including wet cell and AGM (Absorbed Glass Mat) batteries.
How does the B.O.S. system improve battery run time?
By ensuring all batteries in a series are maintained at equal voltage levels, the B.O.S. system prevents performance degradation caused by unbalanced batteries. This leads to more consistent power delivery and extended run time for your trolling motor or other critical onboard systems.
