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The EcoFlow DELTA Pro Ultra is a high-capacity, expandable solar generator designed for whole-home backup and off-grid energy solutions. With 6kWh of base battery storage (expandable to 90kWh) and a 7,200W AC output (scalable up to 21,600W), it powers everything from essential appliances to entire homes. These kits offer seamless solar charging, smart home integration, and reliable energy when you need it most.