Overview

• EcoFlow began selling the DELTA 3 Max, Max Plus, Ultra and Ultra Plus today through its online store with early-bird discounts scheduled to end October 12, with reporting indicating listings are not yet on Amazon.
• Launch pricing starts at about $759 for the DELTA 3 Max with a free trolley using an extra 5% code, with bundles offering free or discounted accessories such as solar panels, alternator chargers and transfer switches.
• The Ultra Plus is rated at 3,072Wh with 3,600W continuous and 7,200W surge output, while the Max Plus provides 2,048Wh with 3,000W continuous and 6,000W surge output for running high‑draw appliances.
• EcoFlow advertises 0–80% recharging in roughly 68 minutes and a 10ms auto‑switch UPS function, plus LiFePO4 cells, low‑noise operation and OASIS 3.0 app features like Storm Guard and Self‑Powered Mode.
• Capacity can be expanded—Max models up to a reported 10,240Wh with extra batteries—and transport features include telescoping handles and wheels, with Popular Science praising performance and portability but noting a glitchy app.