Dual Pro SS3AUTO/BOS12V2 3-Bank Lithium/AGM Battery Charger with 2-Bank B.O.S. System

The Dual Pro SS3AUTO/BOS12V2 is a complete battery charging and optimization system combining the SS3 Auto 30A 3-Bank Lithium/AGM Battery Charger with the B.O.S. (Battery Optimization System) 12V 2-Bank unit. This professional-grade marine charging solution delivers intelligent charging for both lithium and AGM batteries while actively balancing battery packs to maximize performance and extend battery life.

SS3 Auto 3-Bank Charger - AutoProfile Intuitive Charging Technology:

• Automatically detects and charges both Lithium and AGM batteries for optimal performance
• 30A total output with three independent 10A banks for 12V/24V/36V configurations
• Fully automatic multi-stage charging - simply plug in and forget
• Startup feature wakes batteries that shut off due to low-voltage protection
• Algorithms designed and validated with battery manufacturers for 100% charge
• Waterproof design for use on land, fresh water, and saltwater applications
• Independent outputs allow simultaneous charging of different battery types
• ISO 8846 Marine certified and ignition protected (US Coast Guard 33 CFR 183.410)
• FCC Parts A & B interference compliant

B.O.S. Battery Optimization System - 2-Bank:

• Actively shuttles energy between batteries wired in series to maintain equal voltage
• BSAP-24 (Battery Selection and Prediction) algorithm intelligently balances battery packs
• Prevents premature battery failure caused by unbalanced packs
• Increases battery strength, longevity, and run time up to 4x on the water
• Transfer rate up to 7.5A with less than 1mA sleep mode consumption
• Self-powered design works with any battery chemistry
• Ideal for trolling motor applications where batteries support peripherals

System Specifications:

• Input Voltage: 120V AC
• Output: 30A total (3 banks of 10A each)
• Output Voltage: 12V/24V/36V configurable
• DC Charge Cables: 5 feet
• AC Power Cord: 3 feet
• On-board diagnostic codes for easy troubleshooting
• 3-Year Manufacturer Warranty
• Made in USA

Perfect for serious anglers and boaters running 36V trolling motor systems (three 12V batteries), 24V systems with an additional starting battery, or multiple 12V battery configurations. The combination of intelligent charging and active battery balancing ensures maximum performance and dramatically extends the life of your entire battery system.