Sea-Dog Smart Dual Battery Isolator

The Smart Dual Battery Isolator is an essential component for marine and boating enthusiasts seeking reliable dual battery management. Designed to ensure your vessel's starting battery remains charged while efficiently managing auxiliary battery charging, this isolator provides seamless performance even in the most demanding marine environments.

Key Features

• Automatic Dual Charging: Simultaneously charges both batteries, optimizing power distribution without manual intervention.
• Battery Isolation: Ensures the starting battery remains fully charged and ready for use by isolating it from auxiliary power sources when necessary.
• Voltage-Sensitive Operation: Engages or disengages the circuit based on pre-set voltages, preventing the discharge of the primary starting battery.
• Cut-In & Cut-Out Voltages:
  • Cut-In Voltage: 13.3V
  • Cut-Out Voltage: 12.8V
• Surge Protection: Guards against voltage spikes, ensuring the longevity and reliability of your electrical system.
• LED Indicator: Provides visual confirmation when the isolator is engaged, allowing for easy monitoring.
• Durable Construction: Features machined brass components, a weatherproof injection-molded nylon housing, and durable silver-tipped contacts to withstand harsh marine conditions.
• Easy Installation: Comes with two #8 RH fasteners for secure and straightforward mounting.
• Specifications:
  • Voltage: 12VDC
  • Current Rating: 140A
  • Ingress Protection: IP65

Technical Specifications

Parameter	Specification
Voltage	12VDC
Current Rating	140A
Cut-In Voltage	13.3V
Cut-Out Voltage	12.8V
Ingress Protection	IP65
Construction	Machined Brass, Weatherproof Nylon Housing
Installation Hardware	Two #8 RH Fasteners (Included)

Why Choose the Smart Dual Battery Isolator for Your Marine Vessel?

Managing multiple batteries on a boat can be challenging, but the Smart Dual Battery Isolator simplifies this process by ensuring optimal battery performance and longevity. Whether you're powering navigation systems, marine electronics, or auxiliary appliances, this isolator guarantees that your starting battery is always primed for reliable engine starts.

Its robust construction and weatherproof design make it an ideal choice for the harsh and variable conditions encountered in marine environments. Additionally, the inclusion of surge protection and an LED indicator provides both safety and ease of use, giving you peace of mind during your voyages.

Installation and Maintenance

Installing the Smart Dual Battery Isolator is straightforward, thanks to the included #8 RH fasteners and comprehensive installation instructions. Once mounted, minimal maintenance is required, allowing you to focus on enjoying your time on the water without worrying about your electrical system.

Safety Information

WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, visit P65Warnings.ca.gov.

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.