Introducing the 12V 140A Automotive Dual Battery Digital Display Isolator Relay Protection Voltage Split Charge Relay! This revolutionary product is designed to protect and monitor your car’s dual battery system. It is equipped with a digital display to provide accurate voltage monitoring and a built-in voltage split charge relay to protect your batteries from overcharging. It also has a wide input range of 11-16 volts, a large contactor for maximum current carrying capacity, and an over-temperature protection feature for added safety. With this isolator relay, you can rest assured that your car’s dual battery system is in good hands. Get yours today and enjoy the peace of mind of reliable, stress-free battery protection!