Dual Battery Relay 12V 140A Waterproof Split Isolator with Digital Display - Smart Charging for Car, Marine, RV, and Off - Road Power Management

Product description Item Type: Dual Battery RelayProduct Material: ABSColour: BlackNominal Voltage: DC 12VCombine Harvester Voltage: DC 13.3VOpen Circuit Voltage: DC 12.8VContinue Rated Value: DC 125AIntermittent Rated Value: DC 140ABinding Post: M6 (1/4in) Grade: IP67Application: Suitable for installation on campers, for 4x4, recreational vehicle and marine application. Package List：1 x Dual Battery Relay4 x Screw1 x Terminal1 x English User Manual Manufacturer Contact Information 1

• [SMART CHARGING TECHNOLOGY]: Features automatic battery merging during charging and isolation when not charging, ensuring efficient power management while protecting your main battery — ideal for maintaining reliable 12 volt solutions in marine, RV, and automotive applications.
• [DURABLE WATERPROOF CONSTRUCTION]: Made with high-quality ABS material and rated IP67 waterproof, this dual battery relay withstands harsh weather conditions, shocks, and moisture — for outdoor 4x4, off-road, and marine environments demanding robust accessory performance.
• [EASY INSTALLATION]: Includes 4 screws and 1 terminal for straightforward assembly, allowing quick setup on vehicles such as campers, UTVs, and boats — designed to simplify installation for both professionals and DIY enthusiasts managing auxiliary battery systems.
• [VERSATILE APPLICATIONS]: Compatible with a wide range of vehicles, including cars, boats, RVs, and off-road 4x4s, this relay supports dual battery setups with up to 140 amps intermittent current, delivering reliable remote start, cranking power, and split battery functions for various 12V systems.
• [PRECISE VOLTAGE SENSITIVE RELAY]: Equipped with a voltage-sensitive chip to ensure your primary battery retains strong power for vehicle operation, this isolator provides trustable split battery control with stable working performance, making it an essential part for marine dual battery kits and auxiliary power management.