EcoFlow DELTA Pro Smart Extra Battery – Add 3.6kWh, Expand to 10.8kWh

EcoFlow DELTA Pro Smart Extra Battery

Get more runtime from your EcoFlow DELTA Pro. The Smart Extra Battery adds 3600Wh of capacity per unit — and with up to two connected, you can reach 10.8kWh total at up to 30% lower cost than buying a standalone power station of the same size.

Key Features

• +3600Wh Per Battery: Each Smart Extra Battery adds a full 3.6kWh to your DELTA Pro, extending runtime for home backup, RVs, and off-grid use.
• Expandable to 10.8kWh: Connect up to two extra batteries for a combined 3–10.8kWh system — up to 30% more affordable than a comparable standalone power station.
• 10-Year LFP Lifespan: Lithium iron phosphate chemistry supports 3000+ charge cycles with 80% capacity retention — built for a decade of daily use.
• Plug-and-Play Setup: No configuration needed. Connect and go — monitor and control via the EcoFlow app.
• 5-Year Full Warranty: One of the most comprehensive warranties in the industry, covering parts and labor for complete peace of mind.

The most cost-effective way to scale your EcoFlow DELTA Pro into a serious home backup or off-grid power system.