dc dc charger

New in box, Kickass 25 amp DCDC charger and battery box. Pick up in the east bay (SF Bay Area). $100 each, two available. https://kickassproducts.com/collections/power-12-volt-power-stations-and-trays

On another thread I have been trying to figure a way to power my lipo4 “power station” (an ecoflow delta 2) Since that thread is actually about fridges, I think it is more fitting that I ask this question on a new thread. Long term I do plan on setting up a DC DC charger in the cargo area but...