SKU: 90435368748

Newmar 1-3-165 Battery Isolator [1-3-165]

Sale price$177.75 Regular price$197.50
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Ships within 48 hours · Estimated delivery Jul 25 - Jul 30

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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

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 systems up to 48 volts DC, negative ground
  • Rust-proof anodized aluminum case
  • Stainless steel mounting hardware is provided
  • Protective covers are provided for terminals

Specifications:

  • Alternator Sources: 1
  • Battery Bank: 3    
  • Max. Amperage Input Capacity: 165  
  • Stud Terminal Size: 6mm    
  • Dimensions (L x W x H): 9 x 4.5 x 3.1 inches
  • Weight: 5 lbs.
  • Operating Temperature: -40 to +80 degrees
  • Duty Cycle: Continuous rating to 50 degrees C Derate linearly to 70% @ 80 degrees C.
  • Temp. Rise: 5 degrees C at full rated current (mount vertically for optimum cooling)
  • Voltage Drop: 0.7V @ 50% load, 0.9V @ full load

*Note: These battery isolators are not compatible with self-exciting alternators. The alternator must have an external excitation lead. Please consult the manufacturer of your alternator if you are unsure of your configuration

This product may not be returned to the original point of purchase. Please contact the manufacturer directly with any issues or concerns.
Quick Guide (pdf)
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
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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
SKU: 90435368748

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4.1 ★★★★★
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Hot Rod
Dallas, US
★★★★★ 5
Clean teeth as well!!
Flavor Name: Bacon & Chicken, Size: Small
If your dog is a chewer or just bored, these bones are amazing. All of my dogs love and have loved Nylabones. I consider them a must to give your dog as an outlet to chew when bored or when in need of stimulation. Replace as necessary. I always have a pack on standby.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 31, 2026
D
Verified Purchase
D. Kitchens
Pawtucket, US
★★★★★ 3
Not for chewers
Flavor Name: Bacon & Chicken, Size: Small
My dog liked these okay. He was able to chew little pieces off though.
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Reviewed in the United States on March 29, 2026
K
Verified Purchase
KcKerry
Lowell, US
★★★★★ 5
Great fit
Flavor Name: Peanut Butter, Size: X-Large
My dog has a very powerful jaw. Only a few things that he cannot destroy. We have had the peanut butter flavor that still looks the same that it did a year and a half ago. It is his version of a binky. He may leave it alone for days or weeks but every so often he needs to have his teeth and gums itched. Very few remnants of the bone left around.
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Reviewed in the United States on June 10, 2026
A
Verified Purchase
Amanda Rogers
Fort Morgan, US
★★★★★ 5
From Puppy Teething to Adult Favorite – 7 Years Later
Color: Teething Stick, Color: Teething Stick
This has been one of the best toys I’ve ever bought! My dog has loved the Pupstages Cool Teething Stick since she was a tiny puppy, and now at 7 years old, it’s still one of her absolute favorites. It’s been amazing for soothing teething when she was little, and now she still enjoys chewing on it and carrying it around. It’s held up surprisingly well over the years, especially considering how much use it’s gotten. I also love that you can cool it for extra relief—it really helped during those puppy stages. If you’re looking for a toy that lasts and actually becomes a long-term favorite, this is definitely it. Highly recommend for both puppies and even older dogs who still love a good chew! 🐶
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Reviewed in the United States on May 1, 2026
S
Verified Purchase
Stefne
Boise, US
★★★★★ 5
Great for little dogs that like to chew
Color: Hedgehog
Great for my 10 lb chihuahua that loves to chew! Keeps his teeth clean!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 7, 2026

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