Go with 100ah vs 200ah batteries

Here is my setup and what I am going to change and why https://bestfavoritesbestof.blogspot.com/2022/08/100ah-vs-200ah-battery.html

This is the current 200ah battery https://amzn.to/3Kd1cMb
This is the 100ah I will be buying https://amzn.to/3PyGWpl

Single 200ah lithium battery VS two 100ah lithium batteries