General description Dual Battery Isolator Relay is designed for efficient power management in vehicles. This ON/OFF relay allows you to control the power supply to your battery, helping to extend its life and prevent main battery drain. It is suitable for universal 12V applications. Technical specifications Material: Plastic Type: ON/OFF Maximum Rating: 500 Amps at 12V DC Size: 7.2cm x 5.5cm x 8.5cm (2.8inch x 2.2inch x 3.3inch) Color: Black Pins: 4 Other information Package Includes: 2 x 500A 12V Relay Note: Light shooting and different displays may cause the color of the item in the picture to differ slightly from the real thing. The measurement allowed error is +/- 1-3 cm.