4096Wh Extra Capacity – instantly expand the runtime of your EcoFlow DELTA Pro 3
Designed for DELTA Pro 3 – seamless compatibility and optimized performance
Expandable up to 12kWh – build a larger backup system for home and emergency use
LFP Battery Technology – safe long-life battery chemistry built for daily use
4000 Charge Cycles – retains up to 80% capacity for years of reliable performance
Plug-and-Play Setup – simple connection with no complicated installation
Stackable Design – clean space-saving setup for home or indoor backup systems
Ideal for Long Outages – extend backup runtime when power matters most
Reliable Energy Storage – great for whole-home backup, RV, and off-grid setups
Why Choose DELTA Pro 3 Smart Extra Battery
The EcoFlow DELTA Pro 3 Smart Extra Battery is the easiest way to grow your DELTA Pro 3 system without replacing your main unit. Add 4096Wh of extra storage for longer outages, higher energy demand, and greater home backup confidence.
Fast U.S. Shipping
Orders fulfilled quickly from domestic stock — no overseas wait times or customs delays.
Authorized Reseller
100% official EcoFlow dealer. Every product is genuine, warrantied, and fully supported.
Real Inventory
What you see is what we have. No backorder surprises or phantom stock listings.
Expert Support
Our team knows EcoFlow inside and out. Get real answers from real people, fast.
