I would like to operate Victron MultiPlus II - GX 48/5000 on an interim base together with one Freedom Won 5/4 Li-On battery. Later I plan to implement another Freedom Won 5/4 Li-On battery and operate both parallel. Is it possible to limit the settings in the MultiPlus at first from 5000W to 3000W ? Or do I have to choose the GX 48/3000 ?