If you are the DIY type, then this is the kit for you. It is an easy to install kit, which should only take 2-3 hours to install on the average 4x4. This kit utilises a 140A rated VSR type isolator which will automatically isolate your deep cycle/second battery from the vehicles main start battery, meaning a correctly set up system will not draw down on the starting battery. Charging is prioritised to the start battery, once the start battery is up to correct voltage the system then connects to the deep cycle battery.
The Dual Battery Isolator Kit 140A contains the following components: