Sounds like quite an expensive set up.
I mean the optima battery is $300+ alone.
Do you have a schematic or photo i can see how you incorperated everything and what you're actually backing up with the inverter
backup only as good as the battery that is useda setup that can run everything for days and zero maintenance brother let me see if i can draw it up for you. mine in a self contained box i built to keep the kids out
only as good