The Dual Pro SS4 Battery Charger is a rugged, marine-grade charging solution built for boaters who demand safe, reliable multi-bank charging. Four independent 10-amp banks deliver a total of 40 amps, allowing fast restoration of multiple batteries in fresh or saltwater environments.
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Independent 10-Amp Banks: Four separate charging channels deliver 40 amps total, enabling simultaneous, isolated charging for each battery bank.
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Total Output: 40 Amps of charging capacity across four banks.
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Battery System Compatibility: Supports 12V–48V systems, accommodating a wide range of vessels and configurations.
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Independent Outputs: Each bank charges independently to prevent cross-interference and ensure balanced charging.
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Fully Automatic / Multi-Stage Charging: Auto-adjusts charging profiles with temperature compensation for optimal performance and battery health.
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Temperature Compensation: Adjusts charging based on ambient temperature to protect battery life and performance.
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Zero Spark Technology: Safe, installer-friendly connections with no spark during hook-up.
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Battery Maintenance Mode: Keeps batteries topped off without risking overcharging.
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On-Board Diagnostics: Quick troubleshooting insights with built-in diagnostic codes.
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Advanced Microprocessor Control: Delivers precise, reliable charging profiles for each bank.
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Reverse Polarity Protection: Safeguards charger and batteries from incorrect connections.
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Waterproof / ISO 8846 Marine Standards: Engineered to withstand harsh marine environments in fresh or saltwater use.
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Ignition Protected / USCG 33 CFR 183.410: Adds safety feature for marine installations.
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FCC Part 15 Interference Compliant: Broad compatibility with onboard electronics.
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Cord Lengths: DC charge cables 5 ft; AC power cord 3 ft for flexible installation.
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Compact, Rugged Design: Per unit dimensions 4.75"H x 8.00"W x 14.25"L; weight 22.2 lbs, built for mounting on a boat.
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Sportsman Series Reliability: Trusted by boat manufacturers, dealers and over 750,000 customers nationwide.
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Gelled Electrolyte Models: Gelled electrolyte variants are available for certain configurations.
With independent banks, advanced diagnostics, and marine-grade safety features, the SS4 provides balanced, efficient charging across all battery banks while standing up to the demands of routine boat use. Its multi-stage, temperature-aware charging, Zero Spark connections, and maintenance mode help protect battery life and simplify installation, making it a practical upgrade for both fresh- and saltwater vessels.
| Model |
SS4 |
| Description |
Four 10 Amp Banks |
| Total Output |
40 Amps |
| Size Per Unit |
4.75"H x 8.00"W x 14.25"L |
| Weight Per Unit |
22.2 lbs. |
| Battery System |
12V - 48V |
| Reverse Polarity |
Yes |
| Temp. Control |
Yes |
| Indep. Outputs |
Yes |
| Quick Logic |
Yes |
