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- USA
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Ships within 48 hours · Estimated delivery Jun 17 - Jun 22
For Your Every Summer RSVP, with Code: SUMMER15
Description
Newmar 1-3-165 Battery Isolator [1-3-165]1 3 165 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
![Newmar 1-3-165 Battery Isolator [1-3-165] Newmar 1-3-165 Battery Isolator [1-3-165]](https://cdn.shopify.com/s/files/1/0611/7297/3739/files/102298XL.jpg?v=1703052566)
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 1198 reviews
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Product Reviews
★★★★★ 1
Avoid. Very thick
Color: Black/Red, Size: Large
Avoid. This is a thick shirt. Can’t wear during summer
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 21, 2025
★★★★★ 5
Nice shirt
Color: Blue/White, Size: X-Large
Nice shirt
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Reviewed in the United States on April 16, 2026
★★★★★ 5
A good find
I liked the style of the buttonless collar. I have 3 that have become my favorite shirts because they fit well, the fabric is soft, light and comfortable in humid Florida.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 8, 2025
★★★★★ 5
Very nice shirt
Size: X-Large, Color: Grey Stripe
Really nice feel & look!
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Reviewed in the United States on May 23, 2026
★★★★★ 4
A good, comfortable shirt
Size: Large, Color: #Blue/White Stripe
comfortable shirts that fit as intended. Good quality
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 5, 2026
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