The EcoFlow DELTA 3 Max Plus Extra Battery expands the capability of your power system by adding an additional 2048Wh of energy storage, seamlessly boosting the capacity of both the DELTA 3 Max Plus and DELTA 3 Ultra Plus. Its **compact design—approximately 25% smaller than the DELTA 2 Max Smart Extra Battery—**makes it easier to store, carry, and stack for flexible setup at home, on the road, or on the job.
 
Built with long-lasting LFP battery technology, it delivers reliable performance and an extended lifespan. With true plug-and-play simplicity, no setup is required—just connect and go. You can easily monitor charge levels, temperature, and overall status using the EcoFlow App for added convenience and control.
 
Backed by up to a 5-year warranty—including a standard 3-year warranty plus 2 extra years upon app registration—the DELTA 3 Max Plus Extra Battery offers dependable, expandable power with total peace of mind.