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Brand: Dual Pro

Dual Pro RS3 3-Bank Battery Charger with 2-Bank Battery Optimization System

Dual Pro RS3 3-Bank Battery Charger with 2-Bank Battery Optimization System

Regular price $653.04
Regular price Sale price $653.04
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About this product

This charging and balancing kit from Dual Pro pairs the RealPRO Series 18A 3-bank battery charger (model RS3) with a 2-bank Battery Optimization System (BOS12V2) to maintain battery health and balance in series-connected packs. The system is designed to extend battery life and improve run times by actively shuttling energy between batteries to keep voltage balanced before, during, and after charging.

RS3 Battery Charger Features:

  • Provides 18A total output across 3 independent 6A banks
  • Compatible with 12V to 36V systems
  • Supports wet cell and AGM battery types
  • Features automatic operation with battery maintenance mode
  • Waterproof and ignition-protected construction for marine environments
  • Meets ISO 8846 standards and US Coast Guard 33 CFR 183.410 requirements
  • Includes 5' DC charge cables and 3' AC power cord
  • Universal input: 100-240 VAC, 50/60 Hz

BOS Battery Optimization System (BOS12V2) Features:

  • Utilizes BSAP-24 algorithm to predict and balance battery energy needs
  • Features a transfer rate up to 7.5A
  • Low power consumption with less than 1mA sleep mode
  • Self-powered operation compatible with various battery chemistries
  • Suitable for marine, golf, solar, industrial, and automotive series-battery applications

The kit is backed by a two-year manufacturer warranty.

Quantity
  • Secure checkout
  • 21-day return requests
  • Free standard shipping $100+

Product facts

CT SKU
CT-115623
Model / MPN
RS3/BOS12V2
Package dimensions (H × W × L)
5" X 8" X 11"
Package weight
14.6 lb

Specifications

Charger Input - Voltage
120/240v
Charger Output - Amps
18a
Charger Output Voltage
12/24/36v
Charging Banks
3
Portable
No

Fit-sensitive item: confirm measurements, model numbers, and manufacturer details before ordering. Tug & Tow does not guarantee universal compatibility from a product page alone.

Shipping & returns

Request an eligible return within 21 calendar days after delivery. Every physical return requires written approval and an RMA number and must be shipped within five business days after the RMA is issued. The customer pays return shipping for an ordinary return. Tug & Tow provides prepaid return shipping for a verified damaged, defective, short, or incorrect shipment. We do not charge a restocking fee. See Shipping & Returns for eligibility, exclusions, and details.

Fit & compatibility

Review the product title, description, images, dimensions, part numbers, and manufacturer details before purchase. For fit-sensitive items, confirm compatibility with your boat, RV, trailer, vehicle, or equipment.

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Send us the product link or SKU, plus details about your boat, RV, trailer, vehicle, or project. We will help you narrow down the right option when product fit is not obvious.