EcoFlow just announced its latest “most powerful” and “easy-to-install” whole-home battery backup system. It’s called the Delta Pro Ultra X because when you’ve already launched the superlative-laced Delta Pro Ultra in 2024 , the only thing left is to add a variable to the name. Perhaps that X stands for 60 percent, which is the increase in power output over its predecessor. The Delta Pro Ultra X is capable of 12kW of continuous output, now scaling up to 36kW when three inverters are used in