• Dual Pro SS4 4-Bank Battery Charger with 3-Bank B.O.S.
1 1

Brand: Dual Pro

Dual Pro SS4 4-Bank Battery Charger with 3-Bank B.O.S.

Dual Pro SS4 4-Bank Battery Charger with 3-Bank B.O.S.

$1,049.96
$1,049.96
Sale Sold out
Shipping calculated at checkout.

Sold out

The Dual Pro SS4 4-Bank Battery Charger with 3-Bank B.O.S. (Battery Optimization System) is a comprehensive charging and maintenance kit designed to ensure battery pack health and performance. This system combines a 40A, four-bank Sportsman Series battery charger with a 12V three-bank battery optimizer for series-wired applications.

Sportsman Series 4-Bank Charger (SS4) Features:

  • 40A total output with 4-10A independent banks
  • Compatible with 12V, 24V, 36V, and 48V battery systems
  • DeltaVolt Intuitive Charging Technology
  • Fully automatic, multi-stage, and waterproof construction
  • Suitable for fresh and salt water environments
  • Compatible with Wet Cell and AGM batteries
  • Features zero spark technology, reverse polarity protection, and temperature compensation
  • Includes 5' DC charge cables and 3' AC power cord
  • Meets ISO 8846 Marine standards and is ignition protected per US Coast Guard 33 CFR 183.410

B.O.S. (Battery Optimization System) Features:

  • Actively balances energy between batteries wired in series to improve performance and longevity
  • Utilizes BSAP-24 algorithm for battery selection and prediction
  • Supports up to six batteries in series
  • Self-powered operation with less than 1mA sleep mode
  • Transfer rate up to 7.5A
  • Compatible with any battery chemistry

This system is suitable for a wide range of uses including marine vessels, golf carts, industrial equipment, and electric vehicles.

Product facts

CT SKU
CT-115631
Model / MPN
SS4/BOS12V3
Package dimensions
10" X 11" X 14"
Package weight
25.9 lb
Specifications
Charger Input - Voltage = 120v\nCharger Output - Amps = 40a\nCharger Output Voltage = 12/24/36/48v\nCharging Banks = 4\nPortable = 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

Shipping methods, delivery estimates, and final costs appear at checkout before payment. Some bulky, supplier-shipped, or special-handling items may ship separately. See Shipping & Returns for return windows and eligibility.

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.

Need help choosing?

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.