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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
viber6
2,452 posts
 

Shifting gears, I want to ask the Bluetti or other battery/inverter owners whether they tried these units on complete systems including power amps, as well as just for the low power front end components.  My theory is that the AC powerline distortions are relatively small compared to the main signal, and they would be a much higher fraction for low power components.  It is likely that the entire system would benefit, but my guess is that most of the benefits would be just using the low powered components on the inverter.

curiousjim's avatar
curiousjim
4,797 posts
 

@dpop 

Both actually. I have a ups on my cable modem, router and computers and it was the worst! When charging it hums and put out a hum on my Node N130 that I could easily hear.  My wife has a small battery backup, (forget the brand) and it was whisper quiet until it decided to charge and then there were some clicks, but no hum. To bad it only lasted about 90 minutes before the charger kicked on.

curiousjim's avatar
curiousjim
4,797 posts
 

@sbayne 

I’ll check out the Bluetti Max series.

Thanks.

sbayne's avatar
sbayne OP
493 posts
 

I'm going to drop off this thread for a while. I do think there are advantages to going off the grid to power our home stereos and, obviously, I like the quality and ease of use of the Bluetti products but that doesn't mean there aren't better solutions out there. Do your research!  I'm going to post this review of the AC500/B300S which is based on a 5,000 watt inverter. The review is 45 minutes long and if you don't want to watch the whole thing just go to 31:25 and 36:10 where he talks about the inverter quality and low noise. The AC500/B300S currently sells for $2,600. Peace, everyone.

 

neo_the_one
21 posts
 

Is it possible to use two B230 cells or B300 cells, such that you do not have to shut the system down to charge the batteries? I was thinking if I bought the AC200Max the two B230 cells and charge the cells separately. Then when the system depleted, just change to the other charge cell. Not quite sure, if this is even possible.

The main issue I am hoping to resolve, is to shut down the system to charge the cells.

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