The EcoFlow DELTA 3 Extra Battery is designed to increase the capacity of your DELTA 3 or DELTA 3 Plus power station. With an additional 1,024 Wh, you double the total energy capacity to 2,048 Wh, allowing for longer device run times. The durable Lithium Iron Phosphate (LiFePO₄) technology offers over 4,000 charge cycles up to 80% capacity, equating to a lifespan of about 10 years with daily use. The plug-and-play system allows for easy integration, and with the EcoFlow App, you can monitor and control the extra battery. With a comprehensive 5-year warranty, EcoFlow provides added security for your investment.