Ecoflow Delta 3 Extra Battery

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Expand your portable power with the EcoFlow DELTA 3 Series Smart Extra Battery. Designed for seamless use with DELTA 3 and DELTA 3 Plus, this expansion battery adds an extra 1,024W h of capacity—perfect for longer runtimes at home, on the road, or off-grid. Built with long-lasting LFP battery technology and smart app control, it’s a reliable way to scale your power with confidence. Key Features: Compatible with DELTA 3 & DELTA 3 Plus Adds 1,024Wh of extra capacity LFP battery with 3,000+ cycles (10 years to 80%) Plug-and-play setup EcoFlow app monitoring & control 5-year warranty for peace of mind Show more