Most efficient 48V DC to 120V AC inverter

I'm looking for the most efficient way to convert 48V DC to 120V AC, with the least standby power usage. I do not need to charge from AC power, and while I may have some 240V AC needs they could probably be met with a smaller Phoenix 1000W.

Strictly speaking, the Quattro is the only option at 48V to 120V, but I don't need the charger or the dual inputs/outputs, and the Quattro is older tech with lower efficiency and higher standby power.

The Inverter RS 48/6000 230V Smart Solar looks interesting, as does the MultiPlus-II. Would either of these, coupled with an autotransformer or regular Isolation Transformer capable of 230V to 115V result in an overall improvement over a straight Quattro solution?

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bossrox commented · Jul 11, 2020 at 01:23 AM

What efficiency rating are you looking for? I believe the Schnieders are the most efficient these days. I'm using a couple Solinbas with pretty good results so far tho they aren't well used just yet & they are about 90% efficient in the normal mode but they also have a standby mode altho I can't quote the stats for that & they are pretty reasonable on ebay.

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