ARCO Marine BI-0702-4 Battery Isolator - 70A - 1 Alternator, 2 Battery

The Arco Marine BI-0702-4 Battery Isolator is a vital component for managing your vessel's electrical system. Designed for both inboard and outboard applications, this robust isolator ensures efficient and safe charging of dual batteries, enhancing the reliability and performance of your marine electrical setup.

Key Features

• Dual Battery Management: Supports 1 alternator and 2 batteries with a maximum current of 70A.
• Wide Compatibility: Compatible with 10 to 350-amp alternators on 12V, 24V, or 32V negative ground systems.
• Solid-State Design: Allows electrical current to flow in one direction only, preventing unwanted battery discharge.
• Automatic Charging: Both batteries are charged proportionally to their needs whenever the engine is running.
• Seamless Integration: When used with selector switches, eliminates the need to manually change switch positions for dual charging.
• Proportioned Current Output: Automatically adjusts the charging current to each battery based on demand, regardless of switch position.
• Includes Regulator Sensing Terminal: Enhances control and compatibility with various marine electrical systems.

Technical Specifications

Model	BI-0702-4
Maximum Current	70A
Alternator Compatibility	10A to 350A
Voltage Systems	12V, 24V, 32V Negative Ground
Application	Inboard and Outboard Marine Systems

Important Information

NOTE: Battery Isolators are not suitable for use with 12-volt charging systems paired with 24-volt trolling motors or with newer outboard engines that feature rectifier-regulator charging systems.

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

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Orders of physical products placed by 3 PM EST M-F typically ships the same day, if all requested items are in stock. Weekend orders will typically ship on Monday.

Shipping takes 2-7 days.

We currently ship to the Contiguous 48 States.

Life of Sailing merch is custom made for the customer after an order is placed. Total turnaround is typically 7-14 days from order to doorstep.