Dual Pro SS4 Auto 40A - 4-Bank Lithium/AGM Battery Charger

The SS4 Auto 40A High-Performance 4-Bank Lithium/AGM Battery Charger is engineered specifically for marine and boating applications, ensuring your vessel's batteries are charged efficiently and safely. With its advanced technology and durable construction, this charger is ideal for maintaining power on the water, whether you're cruising, fishing, or engaging in other marine activities.

Advanced Charging Technology

• Intelligent Battery Detection: Automatically identifies whether your battery is Lithium or AGM, ensuring the correct charging profile is applied.
• Optimized Charging: Dynamically adjusts charging parameters for both Lithium and AGM batteries to maximize performance and longevity.
• Automated Charging Process: Ensures safe and complete charging cycles for your batteries without manual intervention.
• Proprietary Algorithms: Engineered with exclusive algorithms validated by leading battery manufacturers to achieve a full 100% charge.
• Battery Revitalization: Features a startup function that can revive batteries that have been shut down due to low voltage protection.
• Auto Return-to-Charge: Maintains optimal battery levels by automatically returning to charge mode when necessary.
• Fast Charging: Delivers the quickest charging times in its class, minimizing downtime on your vessel.
• Dual Pro® Assurance: Backed by DUAL PRO® for exceptional performance, reliability, safety, and quality.

Exceptional Features

• Marine-Grade Waterproof Construction: Built to withstand both land-based and marine environments, including exposure to fresh and saltwater.
• Plug-and-Play Operation: Effortless setup—simply connect and let the charger manage the rest.
• Independent Charging Outputs: Provides versatile and simultaneous charging capabilities for multiple battery banks.
• Multi-Stage Automatic Charging: Enhances battery lifespan through a fully automated, multi-stage charging process.
• Built-In Diagnostics: Equipped with diagnostic codes for easy troubleshooting and maintenance.
• Low Electromagnetic Interference: Complies with FCC Part 15 Subparts A & B, ensuring minimal electromagnetic interference.
• ISO 8846 Marine Standards: Meets stringent marine standards for reliable performance in demanding marine settings.
• Marine Safety Certified: Ignition protected according to US Coast Guard 33 CFR 183.410, enhancing marine safety.
• Comprehensive Warranty: Comes with a 3-year warranty for long-term reliability and peace of mind.

AutoProfile Intuitive Charging Technology

For over two decades, the Professional and Sportsman Series chargers have set the benchmark in the marine industry, renowned for their safety, reliability, and superior performance. The SS4 Auto 40A features AutoProfile Intuitive Charging Technology, providing unmatched flexibility by adapting seamlessly to the latest lithium battery advancements. Whether your boat is equipped with Lithium or AGM batteries, the Dual Pro charger ensures extended time on the water by enhancing battery efficiency and prolonging battery life.

Important Notice

This product cannot be returned to the original point of purchase. For any issues or concerns, please contact the manufacturer directly.

Specifications

Specification	Details
Charger Input Voltage	120V
Charger Output Current	40A
Charger Output Voltage	12V / 24V / 36V / 48V
Number of Charging Banks	4
Portability	Stationary
Dimensions	11" H x 11" W x 17" L
Weight	23 lbs
UPC	738562002933

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Orders of physical products placed by 3 PM EST M-F typically ships the same day, if all requested items are in stock. Weekend orders will typically ship on Monday.

Shipping takes 2-7 days.

We currently ship to the Contiguous 48 States.

Life of Sailing merch is custom made for the customer after an order is placed. Total turnaround is typically 7-14 days from order to doorstep.