The National Luna DIY kit is a collection of all the parts you will need to complete a typical dual-battery installation (excluding battery). The kit includes cable, lugs, screws and other parts which are typically used in dual-battery systems. A full instruction booklet is included in the kit for easy reference.
The National Luna Intelligent solenoid has been designed to be a compact, automatic, parallel split-charge isolator for motor vehicles. The product features intelligent control electronics and a low-loss, high-current solenoid rated for extreme environments.