SKU: 32961202921

Dual Pro SS3 3 Bank Battery Charger w/3 Bank B.O.S. [SS3/BOS12V3]

Sale price$325.33 Regular price$361.48
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Ships within 48 hours · Estimated delivery Aug 16 - Aug 21

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Description

Dual Pro SS3 3 Bank Battery Charger w/3 Bank B.O.S. [SS3/BOS12V3]SS3 3 Bank Battery Charger with 3 Bank B. O. S. This kit includes Dual Pros B. O. S. (Battery Optimization System) 12V 3 Bank (PN: BOS12V3) and Dual Pros Sportsman Series Battery Charger 30A 3 10A Banks 12V 36V (PN: SS3). B. O. S. (Battery Optimization System) 12V 3 Bank B. O. S. actively shuttles energy between batteries to keep the pack balanced, increasing battery strength and longevity. Batteries in a pack will become out of balance and the pack

SS3 3 Bank Battery Charger with 3 Bank B.O.S.

This kit includes Dual Pro’s B.O.S. (Battery Optimization System) - 12V - 3-Bank (PN: BOS12V3) and Dual Pro’s Sportsman Series Battery Charger - 30A - 3-10A-Banks - 12V-36V (PN: SS3).

B.O.S. (Battery Optimization System) - 12V - 3-Bank

B.O.S. actively shuttles energy between batteries to keep “the pack” balanced, increasing battery strength and longevity.

Batteries in a pack will become “out of balance” and the pack is only as good as its “weakest link”. In watercraft applications, this is further compounded when the trolling motor battery is used for peripherals and/or to assist the cranking battery.

B.O.S. actively shuttles energy as needed between batteries wired in series to ensure equal voltage before, during, and after charging.

B.O.S. keeps packs balanced, enabling maximum performance, and quadruple run time on the water.

Premature battery failure due to an unbalanced pack has been, unfortunately, accepted as the ‘norm’ for decades. The B.O.S. answers this call with a BSAP-24 algorithm that can accurately predict and select the battery that needs additional energy to match the other batteries within the pack. This simultaneously and successfully extends the life of each battery in the pack, as well as increasing run times.

Features:

  • Available in 6V, 8V, and 12V configuration
  • Up to six batteries in a series
  • Battery Selection and Prediction (BSAP-24) algorithm
  • Less than 1mA sleep mode
  • Transfer rate up to 7.5A
  • Self-powered
  • Any type of battery chemistry

Used in Any Application Where Batteries Are in Series:

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

Sportsman Series Battery Charger - 30A - 3-10A-Banks - 12V-36V

Dual Pro’s customers asked for a series of chargers that were smaller, lighter, and economically affordable. The Sportsman Series of chargers answers these needs. This line of chargers is designed for all types of battery applications. Sportsman chargers have all the safety and reliability features that have made PRO Charging Systems chargers the #1 choice of most boat manufacturers, dealers, and over 750,000 customers across the country. Advanced microprocessors and LED readings make the units even easier to use.

Battery Charging System Designed for Use On Land and in Fresh and Salt Water:

  • The “Green” Charger: Totally “Repairable” Not a Throw-Away
  • Unmatched Performance, Reliability, Safety and Quality
  • TROUBLE FREE – Just Plug It In and Forget It!
  • Join Over 750,000 of Dual Pro’s Satisfied Customers!
  • Fully Automatic and Waterproof

Features:

  • Approved for Wet Cell and AGM batteries
  • Models also available for Gelled Electrolyte batteries
  • Designed for use in fresh and saltwater
  • DeltaVolt® Intuitive Charging Technology
  • Waterproof, dependable, rugged construction
  • Independent outputs
  • Fully automatic/multi-stage charging
  • Zero spark technology
  • Battery maintenance mode
  • On-board diagnostic codes
  • Temperature-compensated
  • Advanced microprocessor controlled
  • Battery systems available: 12V – 48V
  • LED lights indicate the state of charge
  • Reverse polarity protected
  • No installation restrictions
  • FCC Parts A & B interference-compliant
  • DC charge cables = 5' AC power cord = 3'
  • Approved and meets ISO 8846 Marine standards
  • Ignition protected (US Coast Guard 33 CFR 183.410

May Be Used in Many Types of Sporting Applications Including:

  • Inland Watercraft
  • Salt Water Watercraft
  • Motorcycles
  • Golf Carts
  • Utility Vehicles

Specifications:

  • Charger Input - Voltage: 120v
  • Charger Output - Amps: 30a
  • Charger Output Voltage: 12/24/36v
  • Charging Banks: 3
  • Portable: No
  • Box Dimensions: 3"H x 6"W x 9"L WT: 20.5 lbs

Quick Guide (pdf)
Owner's Manual (pdf)
Brochure (pdf)
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 32961202921

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Marstery
Belleville, US
★★★★★ 5
Just what I was looking for
Color: (6 Pack) 2-black 2-beige 2-white, Size: XX-Large
Finally, a pair of boy shorts that fit well, have a gusseted crotch and are so comfortable. I hope they keep making these because they are great.
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Reviewed in the United States on April 30, 2026
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Catherine
Houston, US
★★★★★ 5
Buy them!
Color: (6 Pack) 2-black 2-beige 2-white, Size: Large
Better than I was expecting! Its hot and humid here, while also being windy, so wearing sundresses is necessary, but scary. Lol These cover everything and are so silky soft. They're also stretchy enough for you to not feel like you're wearing anything at all. So comfortable. 10 out of 10.
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Reviewed in the United States on May 6, 2026
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Bonilla
Draper, US
★★★★★ 5
Boy Shorts for comfort, stretch and just enough firmness ( but not too much.)
Color: (3 Pack) Black, Size: X-Large
Finally a perfect boy short in every way! I have ordered and returned so many boy short brands up to now. SHARICCA BoyShorts Panties are comfortable, soft, stretchy and the perfect length for me. I wear an XL and am 5’5”. I just reordered the 6 pack and these will be my go to for underwear! Thank you customers for your reviews which helped me decide to try.
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Reviewed in the United States on January 23, 2026
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bopster429
West Palm Beach, US
★★★★★ 5
Very comfortable, right length
Size: Large, Color: Black,grey
This product arrived as described. I like the trunk length, not the boxer brief length. They are comfortable. Hold up well when worn and washed. I don't seem to sweat as much. These were ordered to replace ones ordered about 2-3 years ago due loss of weight, had to down size. The waist band doesn't roll as like other brands.
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Reviewed in the United States on May 20, 2026
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Rudy Quezada
New York, US
★★★★★ 5
Perfect fit !
Size: Large, Color: Cerise,orange,yellow,light Blue
Most comfortable underwear I’ve had in awhile, soft, great length, can wear all day without adjusting all the time. I purchased a Large, I’m 6’3, 205 pounds, athletic build.
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Reviewed in the United States on April 20, 2026

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