General description The Dual Battery Isolator Relay is designed for 12V applications, providing a reliable ON/OFF switch to manage battery power. This relay helps extend battery life by preventing primary battery discharge, making it an essential component for automotive power management. Technical specifications Material: Plastic Type: ON/OFF Max rating: 500 amps at 12V DC Size (L*W*H): 7.2cm x 5.5cm x 8.5cm (2.8 inch x 2.2 inch x 3.3 inch) Water resistant black phenolic plastic Pins: 4 Color: Black Package Contents 1 x 500A 12V Relay Other information