
EcoFlow DELTA Pro Smart Extra Battery
Seamless Power Expansion – Add 3600Wh to DELTA Pro for Long-Term Energy StorageThe EcoFlow DELTA Pro Smart Extra Battery expands your DELTA Pro system by 3600Wh, offering scalable energy from 3.6kWh up to 10.8kWh with two extra batteries. Designed with LFP battery chemistry for a 10-year lifespan and 6500+ cycles, it’s ideal for home backup, RVing, and off-grid use. Effortless to install and app-controllable, it charges in sync with your DELTA Pro through all supported input methods—including 6500W MultiCharge. Key Features Expandable Capacity: Add 3600Wh to your DELTA Pro system, up to 10.8kWh with two batteries. Affordable Energy Storage: Get 3x the capacity at up to 30% lower cost than equivalent power stations. LFP Battery Technology: Delivers 6500 cycles to 50% or 3500 cycles to 80% capacity—up to 10 years of daily use. Plug-and-Play: No installation required—connect and start storing power immediately. App Monitoring: Use the EcoFlow app to track battery level,