Newmar 1-2-120 Battery Isolator
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Estimated Delivery:Aug 31 - Sep 04
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Free Shipping: On all orders over $150
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Newmar 1-2-120 Battery Isolator
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Newmar 1-2-120 Battery Isolator
Newmar 1-2-120 Battery Isolator by Newmar offers efficient battery management tailored for marine and automotive applications. This heavy-duty isolator enables multiple batteries to charge automatically from one or two alternators while preventing the unwanted discharge of one battery into another.
Key Features:
- Heavy-duty construction: Built to withstand harsh environments, ensuring durability and longevity.
- Rust-proof anodized aluminum case: This protective casing enhances heat dissipation and prevents corrosion.
- Rated for up to 48 volts DC: Versatile compatibility with various negative ground systems, perfect for any setup.
Ideal for marine enthusiasts, RV users, and off-road adventurers, this product is supported by a continuous duty cycle guarantee, ensuring quality and satisfaction. Upgrade your battery management system with the Newmar 1-2-120 Battery Isolator and experience unmatched performance!
1-2-120 Battery Isolator
This heavy-duty isolator allows multiple batteries to charge 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. This model is a 120-amp alternator.
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 provided
- Protective covers provided for terminals
Specifications:
- Operating Temperature: -40 to +80°
- Duty Cycle: Continuous rating to 50° C Derate linearly to 70% @ 80° C
- Temp. Rise: 5° C at full rated current (mount vertically for optimum cooling)
- Voltage Drop: 0.7V @ 50% load, 0.9V @ full load
- Alternator Sources: 1
- Battery Bank: 2
- Max. Amperage Input Capacity: 120
- Stud Terminal Size: 6mm
- Dimensions (L x W x H): 6.5" x 4.5" x 3.1"
- Weight: 3 lbs.
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
Shipping Policy
Thank you for choosing Outdoors.Supply. We aim to deliver your gear efficiently and reliably.
Carriers
We ship all orders via UPS Ground or FedEx Ground, depending on availability and destination.
Shipping Rates
- Orders under $150: Flat shipping rate of $15
- Orders $150 and above: Free shipping
Note: A handling fee of $7.50 may apply to certain items. If applicable, it will be clearly stated during checkout.
Order Processing
- Orders placed before 12:00 PM ET (Monday–Friday): Processed the same business day
- Orders placed after 12:00 PM ET or on weekends/holidays: Processed the next business day
Delivery Time
All orders are delivered within 3–7 business days from the date of shipment, depending on your location.
For any questions or concerns about your order, please contact us at [hello@outdoors.supply]. We’re here to help!
Discover more in our FAQ
How long does it take to process an order?
All orders are processed the same business day if placed before 12 PM EST. Orders placed after 12 PM EST are processed the following business day.
Do you ship internationally?
No! Currently we are only supporting shipments to contiguous United States. We do not ship to PO Boxes or Internationally.
What is your return policy?
No Returns
Due to the nature of our products and our commitment to ensuring the highest quality standards, we do not accept any returns under any circumstances.
No Refunds
We do not offer refunds for any reason, including but not limited to:
- Change of mind
- Incorrect size or style ordered
- Delayed shipping
- Product dissatisfaction
Please refer to our Refund Policy
What are your sizing options?
We have a size chart displayed on most products to reflect the sizing as accurate as possible. Please review the size chart and ensure you are leveraging the closest size possible.
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Why You'll Love Newmar 1-2-120 Battery Isolator
Premium Quality
Newmar Power is known for exceptional quality and attention to detail in every product.
Fast Shipping
Fast and reliable shipping to get your Newmar 1-2-120 Battery Isolator to you quickly.
Satisfaction Guarantee
Backed by our comprehensive warranty for complete peace of mind.
Expert Support
Our dedicated support team is here to help with any questions about Newmar 1-2-120 Battery Isolator.