Latest news from BYD this morning in Bangkok Post
https://www.bangkokpost.com/business/motoring/2982376/byd-jumps-to-record-after-unveiling-5-minute-ev-battery
Nobody can tell you here as nobody knows the House and your specifications. Get some Companies to your House, explain all to them what you want and ask for a quote.
The NSAFD is a bunch of Fascists and criminals and soon get dissolved by the German Constitutional Court. With more than a smile on my face I donated some hundred Euros to an Organization of truly Democrats to push this forward.
Have 21 Kwp installed in three different directions and can extend the System by another 5 Kw, with the latest Deye Inverters you can have 130% of Panels installed as of the nominal Inverter size. For Panels I'm using 550W and 580W Longi Panels.