I was following this topic as I had a similar installation: Carthago C-Compactline i 143 LE (2021) with CBE DS300 distribution board, PC 180 panel, CB 516 charger, Schault Booster WA121525.
I have replaced original 80 Ah AGM leisure battery with 2 x 100 Ah LiFePO4 batteries and I was looking...