EF ECOFLOW DELTA 3 Ultra Portable Power Station with Transfer Switch, 3072Wh LiFePO4 Battery, 3600W (Surge 7200W) Output, Solar Generator for Home Use, Camping Accessories, Emergencies & RV Backup

Built to Deal with It All. With 3600W continuous output (7200W surge) powered by X-Quiet 3.0 technology, DELTA 3 Ultra is in a position for almost all of your crucial appliances. From refrigerators and microwaves to heaters and power tools, this portable power station delivers reliable performance at home, in your RV, or off-grid.

Silent as a Whisper. Enjoy quiet, dependable backup power at just 25dB under load. Thanks to advanced cooling design, DELTA 3 Ultra is whisper-quiet, making it ideal for overnight use, small apartments, and RVs where silence and comfort are key.
4 How you can Charge Up. Stay flexible with four fast charging options: wall outlet, solar panels, car input, or EcoFlow Smart Generator. With EcoFlow’s X-Stream technology, DELTA 3 Ultra recharges quickly so you’re at all times prepared for power outages, road trips, or outside adventures.
Built to Last. Equipped with a durable LiFePO4 battery, DELTA 3 Ultra is built for 10 years of day-to-day use. Its EV-grade CTC structure and 24/7 battery protection system ensure reliable performance in extreme heat, cold, or heavy loads—true resilience you’ll be able to count on.
Please note that the DELTA 3 Ultra Power Station and the Transfer Switch will be delivered in separate packages.