This 12 V auxiliary battery system is appropriate for all full sized vans. This system is a complete turn-key solution. The only assembly or installation required is for the dual battery controller or DC/DC charger (for 2016 and newer Sprinters and Transits ) that requires routing of a battery cable and signal wire from the primary battery back to the wheel well cabinet, and the installation of a chassis ground cable and shore power cable if applicable .
We spent a lot of time researching and testing all of the components that matched up with our requirements.. We wanted a maintenance and worry free system that was easy to monitor and charge and was programmable to allow for either AGM or lithium batteries in multiple configurations up to 400 ah in capacity . We also knew from past experience that most battery monitors did a poor job of showing "state of charge" and we wanted a more reliable way to judge our batteries charge and health. Safety was paramount, so all circuits and the battery are protected separately in accordance to ANSI/RVIA LV guidelines.
Note: there is additional storage space available in all sizes of the wheel well cabinets.after the electrical system is installed.
The AC/DC auxiliary battery systems contain the following features and can be located on either the passenger or driver side
Major components included in the 12V auxiliary battery system