Car Battery as Power Source

Thanx KGTURNER. I checked out those systems. That's in line with what I was thinking but, more complicated. I was just thinking about taking a car battery and connecting an inverter to it and plugging stuff in? I was wondering if this would be akin to using an AC Regenerator - all constraints aside.

So, what if I used one of these Pure Sine Wave inverters?

Also, my monoblock amps require 75Watts ea. to operate. So, they don't require much power. Maybe a couple of these inverters with a couple of Optima batteries and I'm in business huh?

Although, from a practical point of view( as opposed to my theoretical and just bored POV) I probably won't realize a material difference in sound if my current electricity is relatively clean when I listen true?

Does anyone know if the PS Audio P300 etc. convert AC to DC and back to AC again within their units?

Here are the inverters I was mentioning:

Inverers

Yeah, Seandtaylor99, you're probably right. I'd bet it'd sound the same at best.

Maybe it would have more of an impact on just my tubed phono stage.