SKU: O1JPSGTN9D |  Mfg. Part: BI-0702-4  | UPC: 693006003627  | 
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Arco Marine BI-0702-4 70A Battery Isolator for 10-350A Alternators

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$70.94  $95.77
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Product Overview

BI-0702-4 Battery Isolator for 10-350A Alternators

The Arco Marine BI-0702-4 is designed for reliable management of power in marine applications. It is suitable for one alternator and two batteries, and can handle up to 70A. This isolator is compatible with 10 to 350-amp alternators on 12, 24, or 32-volt negative ground systems, making it an excellent choice for modern marine setups.

NOTE: Battery isolators should not be used on 12-volt systems with 24-volt trolling motors or newer outboard engines that have rectifier-regulator charging systems.

Important: This product cannot be returned to the original point of purchase. For any issues or concerns, please contact the manufacturer directly.

Technical Specifications

  • Supports 1 alternator and 2 batteries, with a 70A maximum capacity.
  • Prevents high-charged batteries from discharging into lower-charged batteries.
  • Automatically charges both batteries in proportion to their needs.
  • Compatible with selector switches, allowing for easy battery management.
  • Provides proper proportioning of charging current to the batteries based on needs.

Product Details

  • Manufacturer:
  • Model Number:
  • UPC:
  • Condition:
  • Weight:
  • Dimensions:
  • Updated:
  • Added:
  • ARCO Marine
  • BI-0702-4
  • 693006003627
  • New
  • 1.55 lbs
  • 8 X 5 X 6
  • Feb 21, 2026
  • Mar 06, 2025
Product Identifiers: Brand: Arco Marine • Part #: BI-0702-4 • UPC: 693006003627 • Category: Heavy-Duty Voltage Converters

Arco Marine BI-0702-4 70A Battery Isolator for 10-350A Alternators

Reviews for Arco Marine BI-0702-4

$70.94