Expand Your DELTA Pro Power for Serious Home Backup

• 3600Wh Extra Capacity – instantly add more runtime to your DELTA Pro system
• Designed for DELTA Pro – seamless compatibility for easy system expansion
• Expandable up to 10.8kWh – add up to two extra batteries for major energy storage capacity
• Up to 30% Lower Cost vs Similar Capacity Systems – grow your setup more affordably than buying another full power station
• LFP Battery Technology – built for long-term safety and daily use
• 3000+ Charge Cycles – up to 10 years of use before reaching 80% capacity
• Plug-and-Play Setup – no complicated installation required
• Smart App Control – monitor battery status and performance in the EcoFlow app
• Ideal for Outages & Off-Grid Use – longer backup runtime when it matters most
• 5-Year Full Warranty

Why Choose DELTA Pro Smart Extra Battery

The EcoFlow DELTA Pro Smart Extra Battery is the smartest way to expand your DELTA Pro system without replacing your main unit. Add 3600Wh of extra storage for longer outages, RV living, off-grid setups, and whole-home backup confidence.