Sea-Dog Smart Dual Battery Isolator

Product Overview

When servicing or upgrading marine hardware, electrical, plumbing and boat outfitting, Smart Dual Battery Isolator is intended to handle servicing or upgrading marine hardware, electrical, plumbing and boat outfitting while matching the relevant installation or operating requirements.

This Smart Dual Battery Isolator is well suited to dual battery applications. lets two batteries to automatically charge at the same time and then isolates the batteries, ensuring the starting battery is always charged and ready for use. Automatically engages or disengages the circuit at pre-set voltages by sensing the input voltage generated, eliminating the possibility of discharging the primary starting battery.

Product Details

• Cut-in voltage: 13.3V.
• Cut-out voltage: 12.8V.
• Surge protected.
• Features an LED indicator to alert the user when the unit is engaged.
• Constructed of machined brass with a weatherproof injection molded nylon housing and rugged silver tipped contacts.
• Installs with two #8 RH fasteners (included).
• 12VDC.
• 140A.
• IP65 rating.

Important Notices

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.

Fit & Selection Guidance

Use manufacturer part number 422790-1 to verify the exact item. Confirm dimensions, voltage, capacity, material, mounting pattern, connection type and model compatibility where applicable. Replacement parts should be matched to the exact parent equipment or system whenever the manufacturer specifies one.

For installation-sensitive products, follow the manufacturer’s current instructions and the applicable marine electrical, plumbing, structural or safety requirements for your boat.