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Ships within 48 hours · Estimated delivery Aug 24 - Aug 29
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Description
Newmar 2-3-120 Battery Isolator [2-3-120]2 3 120 Battery Isolator This heavy duty isolator allows charging multiple batteries automatically from one or two alternators and prevents the discharge or dumping of one battery into another. Each battery is charged according to its need without overcharging and is rated for 12 , 24 , or 36 volt negative ground DC systems. Features: Conservatively rated diodes and a rustproof anodized aluminum heat sink case. Heavy duty construction Rated for
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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4.4 ★★★★★
Based on 285 reviews
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Product Reviews
★★★★★ 3
Doesn’t fit face lift sedan
Model: E46-4door, Size: Double Slats-Glossy Black
Did not fit 2004 330i sedan is a face lift looks nice
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 9, 2026
★★★★★ 1
Muy grande
No le cae
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Reviewed in the United States on March 18, 2026
★★★★★ 5
Perfect fit.
Great fitment, very happy.
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Reviewed in the United States on May 18, 2023
★★★★★ 1
Not good.
Do not fit properly at all. It's loose and wobbly and that is not good.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 5, 2023
★★★★★ 5
Better upgrade for older BMW
Material Type: Plastic
Perfect fit
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Reviewed in the United States on March 20, 2026
