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ProMariner

ProMariner 12073 Battery Isolator for 2 Alternators and 3 Batteries, 70 Amp

ProMariner 12073 Battery Isolator for 2 Alternators and 3 Batteries, 70 Amp

SKU:102172

Regular price $250.97 USD
Regular price Sale price $250.97 USD
Sale Sold out

18 in stock

  • 30-Day Returns
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  • Free Shipping — Contiguous U.S.

Shipping & Delivery

Free standard shipping is available on all orders shipping within the Contiguous United States, with no minimum order. Alaska and Hawaii are excluded from free shipping. Orders are typically processed within 1–2 business days. See our Shipping Policy for complete terms.

Returns & Refunds

Eligible items may be returned within 30 days of delivery. Items must be new, unused, uninstalled, and in original packaging. An RMA is required.

Installment options at checkout are provided by Shop Pay and its partners and are subject to eligibility. Options depend on your purchase amount and may require a credit check by the financing partner. Terms, rates, and eligibility are determined by the financing partner. For details, see the Shop Pay Installments terms during checkout.

Battery Isolator - 2 Alternator - 3 Battery - 70 AMP

ProMariner Battery Isolators with gold-plated terminals and improved efficiency, provide enhanced charging. Rated for use with DC devices ranging from 10 amps to 70 amps.

ProMariner 12073 Battery Isolator helps manage charging across systems with two alternators and three batteries. Designed for marine and DC electrical applications, this 70-amp battery isolator supports more efficient charging while helping keep connected battery banks separated during operation.

Featuring gold-plated terminals, the ProMariner battery isolator is built to provide reliable electrical connections and enhanced charging performance. It is rated for use with DC devices ranging from 10 amps to 70 amps, making it suitable for a variety of compatible charging and power-management setups. Verify system requirements and installation procedures in the owner’s manual before use.

Whether you are maintaining a multi-battery marine electrical system or configuring a compatible DC power setup, the ProMariner 12073 provides a purpose-built solution for managing charging between two alternators and three batteries. Its clearly defined capacity and terminal construction make it easier to identify and integrate into the right application.

Key Features

  • Two-Alternator, Three-Battery Design: Supports charging management for systems configured with two alternators and three batteries.
  • 70-Amp Rating: Rated for compatible DC applications from 10 amps to 70 amps.
  • Gold-Plated Terminals: Helps provide enhanced electrical connectivity for the isolator installation.
  • Improved Charging Efficiency: Designed to support enhanced charging performance in compatible systems.

Product Details

  • Brand: ProMariner
  • Part Number: 12073
  • Product Type: Battery isolator
  • Configuration: Two alternators and three batteries
  • Rated Capacity: 70 amps
  • DC Device Range: 10 to 70 amps
  • Terminals: Gold-plated
  • Owner’s Manual: View the ProMariner 12073 owner’s manual

Choose the ProMariner 12073 battery isolator for a clearly specified solution to compatible multi-alternator, multi-battery charging applications.

SEO Meta Description

Shop the ProMariner 12073 70-amp battery isolator for systems with 2 alternators and 3 batteries, featuring gold-plated terminals.

Truck Freight: No
Oversized: No
Owners Manual Url: https://productimageserver.com/literature/ownersManual/102172OM.pdf

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