Renogy 70-watt solar panel mounted to the Tongue Box roof. Compatible with both Stud and Colt tongue boxes.  Solar wires are easily routed through the tongue-box's included stainless steel cable glands.

A great way to trickle charge batteries. Connector of your choice wired to the wire-ends inside the tongue box. Also, this will be wired to your battery system if you purchase a Warhorse Power/Battery System.