Dual Pro SS4 Auto 4 Bank Battery Charger w/2 Bank B.O.S.

The SS4 Auto 4 Bank Battery Charger with 2 Bank B.O.S. is a comprehensive charging solution designed specifically for marine and boating applications. This advanced kit ensures your batteries remain balanced and fully charged, providing reliable power for all your boating needs.

Product Components

This kit includes:

• B.O.S. Battery Optimization System - 12V - 2-Bank (PN: BOS12V2)
• SS4 Auto 40A - 4-Bank Lithium/AGM Battery Charger (PN: SS4AUTO)

B.O.S. Battery Optimization System - 12V - 2-Bank

The B.O.S. (Battery Optimization System) actively shuttles energy between batteries to maintain balance within your battery pack, enhancing battery strength and extending their lifespan. In marine applications, where batteries often power both the trolling motor and assist the cranking battery, keeping them balanced is crucial to prevent premature battery failure.

Key Features of B.O.S.:

• Available in 6V, 8V, and 12V configurations
• Supports up to six batteries in series
• Utilizes the Battery Selection and Prediction (BSAP-24) algorithm
• Operates on less than 1mA sleep mode
• Transfers energy at rates up to 7.5A
• Self-powered design
• Compatible with any battery chemistry

Applications

The B.O.S. is versatile and can be used in any application where batteries are connected in series, including:

• Marine vessels
• Golf carts
• Industrial equipment
• Aerial devices
• Solar power systems
• Electric vehicles
• Communication systems
• Defense and military applications

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

The SS4 Auto 40A charger embodies the latest in battery charging technology, specifically designed to handle both Lithium and AGM batteries with ease.

Latest Technology

• Automatically detects Lithium or AGM battery types
• Ensures optimal charging for both battery types simultaneously
• Fully automatic and multi-stage charging process
• Validated algorithms for achieving a 100% charge
• Startup feature awakens batteries from low-voltage protection
• Auto return to charging when needed
• Delivers the quickest charge times in its class
• Unmatched performance, reliability, safety, and quality from DUAL PRO®

Additional Features

• Waterproof design suitable for land, fresh, and saltwater environments
• Easy installation – simply plug in and forget it
• Independent output channels
• On-board diagnostic codes for easy troubleshooting
• FCC 15 Part A & B interference compliant
• Meets ISO 8846 Marine standards
• Ignition protected (US Coast Guard 33 CFR 183.410)
• Backed by a 3-Year Warranty

AutoProfile Intuitive Charging Technology

Dual Pro's AutoProfile Intuitive Charging Technology has set the benchmark in the marine industry for over two decades. This technology provides unparalleled flexibility, accommodating the latest advancements in lithium battery technologies. Whether you prefer Lithium or AGM batteries, the AutoProfile ensures your boat stays powered longer, enhancing both performance and battery longevity.

Specifications

Charger Input Voltage	120V
Charger Output Amps	40A
Charger Output Voltage	12/24/36/48V
Charging Banks	4
Portable	No
Box Dimensions	3"H x 6"W x 9"L
Weight	25.4 lbs

Resources

• Quick Guide (PDF)
• Owner's Manual (PDF)
• Brochure (PDF)

Watch Our Product in Action

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.