How to Configure MultiPlus II. There are many numerical values to be entered. Where can I find those numbers. It is to be installed in a campervan together with 2 pcs 300Ah Lithium batteries, an MPPT 100/50, Cerbo CX, BMV 712, Color Tuch, Buch-Boost 12V DC-DC charger, Smart-Shunt 500A.