If I'm using a Samlex battery charger with DC feed capabilities and have the battery charger DC side connected to my fuse box for DC devices along with my DC load connections from my Victron MPPT charger do I need to have a switch to disconnect that circuit while charging with the battery charger? It is my understanding that my Samlex charger has diodes that will not allow back feed or draw on the DC side if I was charging from the MPPT. Does the MPPT charger have the same design capabilities?