Enphase Inline Inverters for Solar Energy

The electricity from the solar panels is turned directly into Alternating Current from the solar panels Direct Current output.

The IQ6 models output 208/240 VAC and can be connected in parallel of groups of of one for single phase or three for a three phase system if one wants.
From Google free images

Link To Download IQ6 Specification: PDF
https://support.enphase.com/s/article/Enphase-IQ-6-IQ-6plus-Micro-Data-Sheet

IQ7 and IQ8 models put out higher voltages yet have the same possibility of connections.

Link To Download IQ7 Specification: PDF
https://www.bing.com/search?q=enphase+micro+inverter+iq7+spec+sheet&setmkt=en-US&PC=EMMX01&form=L2MT2E&scope=web

Link To Download IQ8 Specification: PDF
https://enphase.com/download/iq8-and-iq8-microinverters-data-sheet

All are sixty hertz and made in the USA.
No fans, total off grid...

Do not appear to have pure since wave output.

Very inexpensive. Cheap.

I Wonder if there is a 208/240 VAC to 25.6 Battery Charger for LiFePos4 batteries?

There's a lot of industrial equipment that could be run off three phase!

The nice part about this product is 25 year warranty and they are made for the outdoors with a huge operation temperature differential!

Switching to AC at the panel destroys the huge DC wire sizes needed. Cheap! A lot less expensive.