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Ships within 48 hours · Estimated delivery Jun 14 - Jun 19
For Your Every Summer RSVP, with Code: SUMMER15
Description
Dual Pro RS3 3 Bank Battery Charger w/3 Bank B.O.S. [RS3/BOS12V3]RS3 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 RealPRO Series Battery Charger 18A 3 6A Banks 12V 36V (PN: RS3). 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
![Dual Pro RS3 3 Bank Battery Charger w/3 Bank B.O.S. [RS3/BOS12V3] Dual Pro RS3 3 Bank Battery Charger w/3 Bank B.O.S. [RS3/BOS12V3]](https://cdn.shopify.com/s/files/1/0611/7297/3739/files/104777XL.jpg?v=1720723827)
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- 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
4.8 ★★★★★
Based on 602 reviews
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Product Reviews
★★★★★ 3
BUYER BEWARE
Size: 5 Quart
THERE IS NO NEMMA RATING OR POA RATING TO KNOW WHAT QUALITY OF OIL YOUR GETTING, BUYER BEWARE. WHICH TELLS ME ITS A POA RATING OF THREE, STANDARD OIL , NOT REAL QUALITY
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 12, 2026
★★★★★ 5
Good stuff, fair price.
Configuration: 4-Stroke, Size: 1 GA
Great full synthetic marine oil at a very fair price.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 12, 2025
★★★★★ 5
Top notch.
Configuration: 2-Stroke, Size: 1 GA, Case of 3
It’s Valvoline so it’s quality. Very little smoke and a smooth running outboard.
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Reviewed in the United States on May 4, 2026
★★★★★ 5
works perfect
Configuration: 4-Stroke, Size: 1 GA
i bought to maintain mowers
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Reviewed in the United States on December 28, 2025
★★★★★ 5
good value
Configuration: 4-Stroke, Size: 1 GA
good value and marine rating on the lable
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Reviewed in the United States on April 26, 2026
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