The EcoFlow DELTA Pro Smart Extra Battery is the ultimate add-on for expanding your power capacity, delivering an impressive 3600Wh of energy storage. Designed with long-lasting lithium iron phosphate (LiFePO4) technology, it offers up to 3500 charge cycles while maintaining 80% of its original capacity—making it a reliable and future-proof solution for extended backup power. Whether you're preparing for off-grid adventures or long-duration outages, this extra battery seamlessly integrates with the DELTA Pro Portable Power Station to double your total energy reserves.
Built for serious energy needs, the Smart Extra Battery maintains EcoFlow’s signature fast-charging performance and intelligent battery management system. Despite its robust output, it features a compact footprint at 25 x 16.4 x 11.2 inches and remains manageable at 84 lbs. Perfect for home backup, RV setups, or remote workstations, this battery ensures you stay powered through any situation without compromise.