Description
The EcoFlow DELTA Pro 3 Portable Power Station (UL9540 Certified) is EcoFlow’s flagship portable power station, carrying the UL9540 safety certification that makes it approved for residential whole-home backup installations in jurisdictions where certification is required. With 4,000W of AC output, native 120V and 240V capability, and 4kWh of LFP storage expandable to 48kWh, it’s the most powerful and most installation-ready portable station EcoFlow makes.
UL9540 certification ensures the DELTA Pro 3 meets rigorous safety standards for stationary energy storage systems — essential for homeowners who want their installation to comply with local electrical codes and insurance requirements. It delivers 4,000W of continuous output, charges from solar at up to 2,600W, integrates with the Smart Generator 4000 for unlimited runtime, and features Storm Guard automatic pre-charging before severe weather.
Transfer switch compatible for automated circuit failover. Free 5-year warranty.
