hi,gretings from Croatia. I am new owner of Neptunus 56 fly 2004. i just buy before couple month. now I install lifepo4 battery 12v 630ah small inverter 12v 3000w and main battery 48v 630 ah and 2x 5000w inverter automatic battery switch shorepower/generator to victron inverter (AC chiler pull huge current in start needs assistant from generator 17 kw to start chiller 48000 btu.also I change anchor windlase to lofrans 3,5 ,chain 13mm and anchor spade 55 kg.