EcoFlow DELTA Pro 3 Smart Extra Battery delivers seamless compatibility, working effortlessly with the EcoFlow DELTA Pro 3 to scale your power storage up to 12kWh for extended energy needs. Built with a durable LFP battery, it lasts for 4000 cycles while maintaining 80% capacity, ensuring long-term reliability. Designed for simplicity, its plug-and-play setup makes expansion effortless—just connect and enjoy uninterrupted power.