Hybrid solar inverter setup

[skatun]

I am refitting the electrical work on my boat, and I am getting several appliances on 220V(Dishwasher,fridge, humidfier etc), so I need a way to power these.

So my idea is to get one of the hybrid solar inverter:
https://www.amazon.de/gp/product/B01...=AKT0S4ACGVUE3

I think 2 to 3kW should be fine or? I do have 400W of installed solar panel on the boat, a 12V 105A alternator and 4*110A lead batteries.

So my basic idea is to connect the alternator in parallel to all 4 batteries, then connect all batteries in series to the controller above.

I have my boat outfitted with smart home(openhab) so I can select the shore power fuse(6A,10a,16a), so if my measured current exceed the fuse I shut off the land power and supply my appliances from batteries. If the battery charge drops below 50% I can start the engine to recharge the batteries.

Has anyone else gone down this path for their electrical wiring?