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Newmar 1-3-70 Battery Isolator - 25571
Newmar 1-3-70 Battery Isolator - 25571
Newmar 1-3-70 Battery Isolator - 25571
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Newmar 1-3-70 Battery Isolator - 25571

Marsoni M251S
Sale price$193.99
Pay 4 payments of $48.50 a month.Shop Pay
Get it in 3 business days with 1 day shipping. Friday, May 29
Newmar 1-3-70 Battery Isolator - 255711 3 70 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 systems
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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
4.1 ★★★★★
Based on 346 reviews
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Product Reviews
T
Verified Purchase
Tom Ware
Fort Morgan, US
★★★★★ 5
Good value if you have work batteries.
Style: Lawn Edger/Tool Only
Works well for sidewalk edging. Auto shutoff if the blade hits sidewalk or rock.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 28, 2026
C
Verified Purchase
Corinne Creswick
Bozeman, US
★★★★★ 1
Disappointed
Style: Lawn Edger/Tool Only
This Worx product does not work as well as I hoped, I have many Worx products, but this one I wish I didn’t order.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 20, 2026
T
Verified Purchase
313Tony
New York, US
★★★★★ 5
Small But Powerful!
Style: Lawn Edger/Tool Only
Small but powerful!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 13, 2026
R
Verified Purchase
R
Omaha, US
★★★★★ 5
Wide surface
Style: Lawn Edger/Tool Only
The edger has a very strong motor cuts great! As long as you are placing the edger on a wide flat surface. If the area you want to edge is along the curb and narrow the edger is to big and bluky for a narrow edge strip
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on July 15, 2025
A
Verified Purchase
Andrew J. Cassidy
Grantham, US
★★★★★ 3
After one use
Style: Lawn Edger/Tool Only
Not as powerful as I would have liked so the trim is not as smooth
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 15, 2026

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