ARCO Marine BI-1603 Battery Isolator - 160A - 1 Alternator, 3 Battery

The Arco Marine BI-1603 Battery Isolator is a reliable solution for managing multiple battery systems on your boat. Designed for both inboard and outboard applications, it ensures efficient charging and prevents battery drain, keeping your marine adventures powered smoothly.

Key Features

• High Capacity: Supports 1 alternator, 3 batteries, with a maximum current of 160A.
• Straightforward Installation: Compatible with 12, 24, or 32-volt negative ground systems.
• Universal Compatibility: Works with alternators ranging from 10 to 350 amps.
• Solid-State Technology: Allows electrical current to flow in one direction only, preventing battery discharge between banks.
• Automatic Charging: Ensures all connected batteries are charged proportionally based on their needs whenever the engine is running.
• Seamless Integration: When used with selector switches, it eliminates the need to manually change switch positions for charging multiple batteries.
• Proportioned Charging: Distributes the alternator's output to batteries as required, irrespective of switch positions.

Specifications

Parameter	Details
Maximum Current	160 Amps
Alternator Compatibility	10 to 350 Amps
Battery Capacity	Supports up to 3 Batteries
Voltage Systems	12V, 24V, 32V Negative Ground
Installation Type	Inboard/Outboard

Important Information

Compatibility Notice: Battery isolators are not suitable for use with 12-volt charging systems that operate 24-volt trolling motors or newer outboard engines equipped with 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.

Additional Resources

Download the Quick Guide (PDF)

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.