Dual Pro RS4 4 Bank Battery Charger w/2 Bank B.O.S.

Optimize your marine battery setup with the Dual Pro RS4 4-Bank Battery Charger and B.O.S. 2-Bank Battery Optimization System. Designed specifically for boating enthusiasts, this comprehensive kit ensures balanced battery performance, extended battery life, and reliable power management for all your marine adventures.

Dual Pro RS4 4-Bank Battery Charger with B.O.S. 2-Bank System

This all-in-one kit includes Dual Pro’s advanced B.O.S. Battery Optimization System (PN: BOS12V2) and the RealPRO Series Battery Charger (PN: RS4). Together, they provide a robust solution for maintaining and charging your marine batteries efficiently.

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

The B.O.S. (Battery Optimization System) actively manages and balances energy between two 12V batteries, ensuring each battery operates at optimal levels. By shuttling energy as needed, B.O.S. maintains equal voltage across the battery pack, preventing imbalance and extending the life of each battery.

• Available Configurations: 6V, 8V, and 12V
• Series Compatibility: Supports up to six batteries in a series
• Advanced Algorithm: Battery Selection and Prediction (BSAP-24) for precise energy management
• Energy Efficiency: Less than 1mA sleep mode and up to 7.5A transfer rate
• Versatile: Compatible with any battery chemistry and self-powered

RealPRO Series Battery Charger - 24A - 4-Bank

The RealPRO Series Battery Charger is an affordable, reliable, and safe charging solution tailored for marine applications. With four independent charging banks, it efficiently charges multiple batteries simultaneously, making it ideal for boats, runabouts, pontoon boats, and other watercraft.

• Performance: 24A capacity with independent outputs for four batteries
• Durability: Dependable, rugged construction with waterproof design
• Ease of Use: Fully automatic operation with battery maintenance mode
• Safety: Reverse polarity protection and ignition protected (US Coast Guard 33 CFR 183.410)
• Compliance: Meets ISO 8846 marine standards and FCC 15 Parts A and B interference compliant
• Warranty: Backed by a two-year warranty
• Power Cables: Includes 5ft DC charge cables and a 3ft AC power cord
• Visual Indicators: LED lights display each battery’s state of charge

Key Features

• Comprehensive 4-bank charging system with a 2-bank optimization module
• Active energy shuttling for balanced and prolonged battery life
• Universal input (100-240 VAC, 50/60HZ) for versatile installation
• Compatible with a wide range of battery types and marine environments
• Easy installation with no installation restrictions

Ideal Applications

Perfect for any marine setting where batteries are connected in series, ensuring your power systems remain reliable and efficient.

• Marine
• Golf
• Industrial
• Aerial Equipment
• Solar Power
• Electrical Vehicles
• Communications
• Defense/Military

Sporting Applications Include:

• Bass Boats
• Runabouts
• Pontoons
• Automobiles
• ATVs
• Golf Carts

Technical Specifications

Specification	Details
Charging Banks	4
Portable	No
Box Dimensions	3"H x 6"W x 9"L
Weight	11.55 lbs

Resources

• Quick Guide (PDF)
• Brochure (PDF)

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.