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![Dual Pro RS4 4 Bank Battery Charger w/2 Bank B.O.S. [RS4/BOS12V2]](https://cdn.shopify.com/s/files/1/0405/8454/4408/files/104778XL.jpg?v=1720730097)
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- USA
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Ships within 48 hours · Estimated delivery Jul 1 - Jul 6
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For Your Every Summer RSVP, with Code: SUMMER15
Description
Dual Pro RS4 4 Bank Battery Charger w/2 Bank B.O.S. [RS4/BOS12V2]RS4 4 Bank Battery Charger with 2 Bank B. O. S. This kit includes Dual Pros B. O. S. Battery Optimization System 12V 2 Bank (PN: BOS12V2) and Dual Pros RealPRO Series Battery Charger 24A 4 Bank (PN: RS4). B. O. S. Battery Optimization System 12V 2 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
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
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Best in 7 days
Best in 7 days
Best in 7 days
4.3 ★★★★★
Based on 416 reviews
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Product Reviews
★★★★★ 5
Great product
Love that theyre adjustable.
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Reviewed in the United States on April 19, 2026
★★★★★ 3
Poor Quality
I wouldn't gift these... they seem to start having grinding issues after a few days of use. It feels like the grinding piece is binding / going to break when turning the top. Would not purchase again, and look for more durable item.
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Reviewed in the United States on March 20, 2023
★★★★★ 4
Lacking spices
They look just like pictures but it said they were pre- filled in the description and they arrived empty!
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Reviewed in the United States on March 31, 2026
★★★★★ 5
Good grinders
These are great for the price
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Reviewed in the United States on September 22, 2025
★★★★★ 5
Salt /pepper shakers
Heavy duty and well-made and works great
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Reviewed in the United States on February 25, 2026
