Just getting started here, so apologies in advance if the answer is obvious. The Multiplus manual suggests double 50mm cables and a 400A fuse on the main battery connection. If I calculate my maximum current draw from the battery due to both DC and A/C loads, it's way less than this. I'm assuming that the charging current to the 12V 200AH LifePo4 battery is less than or equal to the recommended max of 100A. So why such large cables and fuse? Could one not size the wire and fuse based on what's actually going to be used? In my case, I would think 150A would be more than enough.
But I'm probably missing something...