SKU: JRLWNPJ75G |  Mfg. Part: 1-2-120  | 
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Newmar Power 1-2-120 Newmar 1-2-120 Heavy-Duty Battery Isolator

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Product Overview

Newmar 1-2-120 Heavy-Duty Battery Isolator

This reliable battery isolator enables seamless charging of multiple batteries from one or two alternators while preventing the inadvertent discharge of one battery into another. Each battery receives optimal charging based on its requirements, avoiding overcharging. It is suitable for 12-, 24-, or 36-volt negative ground DC systems, and is designed to handle a 120-amp alternator.

Compatibility: Designed for heavy-duty performance.

Note: This battery isolator is not compatible with self-exciting alternators. Please consult your alternator's manufacturer to confirm compatibility.

Technical Specifications

  • Rustproof anodized aluminum heat sink case for durability
  • Designed for a maximum of 120 amps input capacity
  • Rated for systems up to 48 volts DC, negative ground
  • Stainless steel mounting hardware included
  • Comes with protective covers for terminals
  • Operating temperature range: -40 to +80° Celsius

Product Details

  • Manufacturer:
  • Model Number:
  • Condition:
  • Weight:
  • Dimensions:
  • Updated:
  • Added:
  • Newmar Power
  • 1-2-120
  • New
  • 2.6 lbs
  • 10 X 4 X 9
  • Apr 04, 2026
  • Mar 06, 2025
Product Identifiers: Brand: Newmar Power • Part #: 1-2-120 • Category: Heavy-Duty Voltage Converters

Newmar Power 1-2-120 Newmar 1-2-120 Heavy-Duty Battery Isolator

Reviews for Newmar Power 1-2-120

$203.70