Well... This whole solar setup just to run 1 400W miner is getting more expensive as I do the numbers, lol...

But I think I may have found a solution to cut some costs from buying so many batteries by using an automatic transfer switch...

This means that the miner will use solar and battery until the battery gets to a certain point, then switches over to grid tie. It's a good way to get around having to deal with a bunch of stuff to the main breaker box, lol.