Watts 247.com has this LV6048 unit on sale for $649. I'm tempted at this price. Is this a good company?
https://watts247.com/product/hybrid-lv6048-split-phase-120v-240v/
Looks like Ecoflow is trying to solve the EV charging issue pertaining to grounding...
https://us.ecoflow.com/products/portable-power-station-grounding-adapter