EF EcoFlow Delta 3 Series Smart Extra Battery — 1024Wh LiFePO4 Expansion for Delta 2 / Delta 3 / Delta 3 Plus / Delta 3 1500

Add a 1024Wh LiFePO4 expansion to your EcoFlow Delta family to substantially boost runtime. This Smart Extra Battery is compatible with Delta 2, Delta 3, Delta 3 Plus and Delta 3 1500 power stations, delivering an additional 1024Wh of capacity. Engineered for long life, its LFP chemistry supports over 3000 charging cycles and is rated to retain 80% of original capacity after 10 years of daily use. Installation is straightforward — a plug-and-play design — and the unit can be monitored and managed through the EcoFlow app for convenient status checks and control.