This connection hub is designed to connect DC-DC charger, AC-DC charger, starter battery and auxiliary battery together. It achieves DC-DC and AC-DC charging for auxiliary battery in single setup. User can decide to charge the starter battery using AC-DC charger or not by simple selection switch.
User selectable charging direction. It allows AC-DC charger to charge both starter battery and auxiliary battery at the same time or AC-DC charger to charge auxiliar y battery only. The hub will switch between AC-DC charger and DC-DC charger automatically depends on the selection.