Using battery power to go off the City's power grid


I'm using a Bluetti AC200MAX 2,200 watt expandable power station to take my system off the city's power grid.  It runs off a lithium ion phosphate battery with a 4,800 watt pure sine wave inverter. My total system only takes about 450 watts so I have never heard the fan kick on - it is totally silent. The music comes from a completely black background, with a huge soundstage that sounds very natural. I know that Ric Schultz has talked about these types of setups and there is a very expensive Stromtank battery system that is marketed to audiophiles. Anyone else tried this type of setup in their audio system?

Here is a link to a review:

 

128x128sbayne

Obviously using for a small house needs a larger unit. This is what I have or maybe 1 gen newer. 4.5k. 
 

Schneider Electric Conext XW PRO Inverter/Charger

$4,397.00

Schneider Electric Conext XW Pro Inverter/Charger

Schneider Electric Conext XW PRO Inverter/Charger quantity

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SKU: I-SC-XWPRO6848

Categories: 48VSinewave Inverters

Tags: 120/240VAC48Vgrid-tiedoff-gridSine wave inverter

Anker 757 for me.

No big deal as far as audible differences since my feed is the first from the transformer and runs through a PS Powerplant.

tksteingraber - thanks for sharing your setup and sound test results. I'm guessing you have a pretty good inverter based on the amazing change in sound quality.

Think I'm going to experiment with @ricevs  setup with Giandel inverter, easy and cheap for initial experiment.