Description
Extended Power When You Need It
The DELTA 3 Max Plus Smart Extra Battery adds significant runtime to your existing EcoFlow power system, making it ideal for extended outages, long outdoor stays, or demanding energy setups. Compatible with the DELTA 3 Max Plus and DELTA 3 Ultra Plus, it allows you to scale your storage from short-term backup to multi-day operation effortlessly.
Simple Plug-and-Play Connection
Designed for ease of use, the battery connects directly to your main unit with no additional setup or configuration. Just plug it in, and the system automatically recognizes and balances power between units—ensuring consistent, efficient energy distribution.
Durable, Long-Lasting LFP Power
Built with automotive-grade LFP (LiFePO₄) cells, the battery delivers up to 10 years of reliable use with high safety and stability. It's designed to withstand frequent charge cycles, making it a dependable addition for both home and professional applications.
Stackable and Space-Efficient Design
The compact, stackable form factor makes this Smart Extra Battery ideal for home or indoor installations, fitting neatly in utility areas, garages, or small spaces. Whether expanding for home backup or off-grid living, the modular design keeps your setup organized and efficient.
Smarter Energy Management
When paired with the EcoFlow OASIS 3.0 App, you can monitor total system capacity, charging status, and runtime estimates in real time. It's a smarter way to manage power—helping you stay prepared while reducing energy waste.





























































