EcoFlow discounts backup power for Prime Big Deal Days
- EcoFlow is running limited-time discounts on home backup and portable power stations during Prime Big Deal Days.
- Savings reach up to 59% across the promotion, with the DELTA 3 Max and DELTA 3 Ultra Plus among the discounted models.
- Shoppers can buy through EcoFlow's official website and Amazon.
EcoFlow Technology Inc. announced discounts reaching 59% (opens in a new tab) on selected portable power and home backup products for its Prime Big Deal Days promotion. The company says the sale runs September 20 through October 18, 2026, and includes the DELTA 3 Max and DELTA 3 Ultra Plus. Selected products will have lower prices on October 6 and 7, it says.
EcoFlow lists the DELTA 3 Max at 2kWh, with output rated at 2400W and surge capacity of 4800W. The company says X-Boost allows up to 3400W and advertises a discount reaching 30% on this model.
EcoFlow rates the DELTA 3 Ultra Plus for continuous output of 3600W and surge output of 7200W. It says the model uses LFP cells of automotive grade, supports expansion to 11kWh and switches automatically in 10 milliseconds. Advertised savings on this model reach 32%.
What the sale means for a household
EcoFlow describes its range as covering everyday portable power and larger backup needs. It cites storms, winter conditions and higher electricity costs as sources of pressure on household budgets.
EcoFlow also offers an energy management app. According to the company, Frost & Sullivan ranked it first worldwide among apps for smart-home energy storage, measured by cumulative user registrations through March 31, 2026. EcoFlow says it also has other fall promotions.