12VDC 500A AMP Heavy Current 4 Pin SPST Car Auto Start Relay Contactor Double Batteries Isolator Off On Control for Multi-battery system Forklift Engineering Automotive

Features: Red copper binding post: ensuring heavy current can be transited safely. High current automotive relay and battery isolator. 12V 500A heavy current relay: great for construction and machinery system. High quality: ensuring the maximum electric current can be transferred. Easy and effortless to use: simple installation.