ODDTOOLS 250 AMP Dual Battery Smart Isolator, 12V/24V, Universal VSR Voltage Sensitive Relay Battery Isolator Intelligent with LCD Screen, for Car Truck ATV RV Battery Starter Controller Power Switch

Designed for dual battery systems, our battery isolator is equipped with 2 LED displays to monitor battery voltage in real-time. Thus, it's easy to see the health of your batteries whenever and wherever you need them, ensuring that you'll always have plenty of power to keep you on the road.

Our smart battery isolator automatically connects when the voltage range is 13.5V-16V under 12V working voltage and 27V-32V under 24V working voltage. And when the voltage < 12.5V, the current will be automatically disconnected. Press the emergency button to use the secondary battery immediately.

Our 250A compact voltage sensitive relay isolator measures just 5.9'' x 5.4'' x 1.8'', making it a breeze to install in any space. It fits perfectly for mounting under the hood or inside an off-road vehicle and works flawlessly with your dual battery system.

Our dual battery isolator is housed in aluminum alloy, which has excellent heat dissipation properties and ensures stability and reliability under high load conditions. Plus, the high-quality copper connector ensures efficient conductivity and smoother current transmission.