The EcoFlow DELTA 3 Extra Battery is the perfect add-on for expanding the capability of your DELTA 3 Plus or DELTA 3 power station. It increases your system’s capacity by an additional 1024Wh, giving you more energy storage for longer runtimes, greater flexibility, and enhanced backup power.
 
Built for exceptional longevity, this extra battery is engineered to deliver 10 years of daily use before reaching 80% of its original capacity. With 3000+ charging cycles supported by reliable LFP (LiFePO₄) battery chemistry, it provides superior durability, safety, and long-term performance. Ideal for home backup, outdoor adventures, or demanding work environments, the DELTA 3 Extra Battery ensures your power setup grows stronger and lasts longer.