Skip to product information
1 of 1

Newmar 1-2-120 Battery Isolator (1-2-120)

Newmar 1-2-120 Battery Isolator (1-2-120)

Regular price $193.99
Regular price $247.21 Sale price $193.99
Sale Sold out
Shipping calculated at checkout.
Quantity

Common Questions

What is your Shipping Policy?

FREE

  • Standard Shipping on Orders over $99
  • 2-Day Shipping on Orders over $699

Low Cost Options

  • $9.99 Standard Shipping on Orders under $99
  • $19.99 2-Day Shipping on orders under $699

Special Deliveries

  • Truck Freight and Hazardous items vary and may take 5-7 business days.

Tracking

  • Tracking numbers and all other information regarding your order is sent via email automatically once available. (Contact us for specific inquiries)

Read our Shipping Policy

(restrictions may apply to these terms)

What delivery times should I expect?

Handling Times

  • Orders ship within 24 hours of purchase. (Next Day Shipping Available)

Delivery Times

  • All Orders typically take 3-5 business days to arrive. (unless noted otherwise in the Product's Description)
  • Choose 2-Day Shipping at Checkout to receive a Priority Delivery Experience. (available on select orders)
  • "Made-to-order" items, Truck Freight or Hazardous items may take 5-7 business days.
  • Always check with a Team Member if you have questions about a specific delivery time.

See our Shipping Policy for more information.

(restrictions may apply to these terms)

How does Suncoast handle returns and refunds?

  • Suncoast honors a 30-day return policy for unused items in their original packaging with proof of purchase.
  • If your item doesn't meet your expectations, please contact us to initiate a return or exchange.
  • Certain items, like installed products and special orders, cannot be returned.
  • Refunds are processed within 10 business days after approval, payment processing fees are non-refundable.

For more details and restrictions, please read our Refund Policy.

(restrictions may apply to these terms)

View full details

Authentic, brand-new, and backed by full manufacturer warranty as an Authorized Dealer

Product Description

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

✔ Verified Reviews