495-1270-1 - Newmar Power Newmar 70A Dual Battery Isolator | Aztek Computers
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SKU: EN6IEZEJ1S |  Mfg. Part: 495-1270-1  |  0 Reviews  |     Share

495-1270-1 - Newmar Power Newmar 70A Dual Battery Isolator

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$120.30  $162.41
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Product Overview

Newmar's 70A Dual Battery Isolator is a heavy-duty device designed for 12-48 volt negative ground DC systems. It automatically charges multiple batteries from one or two alternators while preventing unwanted battery discharge. This device ensures each battery is charged based on its needs without the risk of overcharging.

Featuring a rustproof anodized aluminum heat sink case and conservatively rated diodes, this isolator is not only built to last but also provides reliable performance. It is available for larger alternators up to 165 amps.

Expert Overview

The Newmar 70A Dual Battery Isolator (part number 495-1270-1) is a heavy-duty voltage converter designed for 12-48 volt negative ground DC systems. This device facilitates the automatic charging of multiple batteries from one or two alternators, while simultaneously preventing unintended battery discharge. It ensures that each connected battery receives charge according to its specific requirements, mitigating the risk of overcharging. Constructed with a rustproof anodized aluminum heat sink case and conservatively rated diodes, the isolator is engineered for durability and consistent performance in demanding environments. It is suitable for IT infrastructure or vehicle applications requiring reliable power management across multiple battery banks, supporting alternators up to 165 amps. This unit addresses the challenge of maintaining optimal charge levels for separate battery systems without manual intervention or the risk of cross-discharge.

Technical Specifications

  • Heavy duty construction
  • Rated for systems up to 48 volts DC
  • Rust-proof anodized aluminum case
  • Stainless steel mounting hardware provided
  • Protective terminal covers included

Product Details

  • Manufacturer:
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  • Condition:
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  • Newmar Power
  • 495-1270-1
  • New
  • 5 lbs
  • 5 X 5 X 5
  • Aug 22, 2026
  • Nov 24, 2025
Product Identifiers: Brand: Newmar Power • Part #: 495-1270-1 • Category: Heavy-Duty Voltage Converters

Frequently Asked Questions

What voltage systems is this battery isolator compatible with?

The Newmar 70A Dual Battery Isolator is designed for use with 12-48 volt negative ground DC systems.

What is included with the battery isolator for installation?

The isolator includes stainless steel mounting hardware and protective terminal covers for installation.

How does this device prevent battery discharge?

This device automatically charges multiple batteries from one or two alternators while preventing unwanted battery discharge between them.

What is the maximum alternator size this isolator can support?

While the isolator is rated at 70A, it is available for larger alternators up to 165 amps.

495-1270-1 - Newmar Power Newmar 70A Dual Battery Isolator

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$120.30