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EcoFlow DELTA 3 Max Plus Extra Battery
The EcoFlow DELTA 3 Max Extra Battery expands the capacity of your DELTA 3 Max Plus power station by an additional 2048Wh. Perfect for home backup, off-grid systems, RV setups, and long-term energy autonomy. Powered by LiFePO4 long-life cells, the Extra Battery delivers exceptional durability, stability, and safety. It connects instantly through a plug-and-play design, enabling seamless energy expansion without complex installation. Monitor battery status, input/output, charging modes, and cycles directly through the EcoFlow App, giving you full control of your extended power system. Whether you need extended runtime during outages or multi-day off-grid power, the DELTA 3 Max Plus Extra Battery provides reliable, flexible, and scalable energy for every situation.
✅Adds +2048Wh to your DELTA 3 Max
✅Expandable system up to 10kWh total
✅Plug-and-play connection for instant setup
✅Smart monitoring via EcoFlow App
✅Ideal for home backup, camping, RVs & off-grid setups
✅Durable, safe, and stable power extension
Adds up 10kWh expandable capacity
Easily Scales Up—From Hours to Days
Half-Day Power Usage
Covers essential power needs during a 4–8 hour outage—
keeping food fresh, heat running, lights on, and communication devices charged.
1-Day Power Usage
Delivers 1 day of outage protection—ensuring uninterrupted cooking, heating, lighting, and connectivity.
2-Day Power Usage
Powers home essentials for up to 2 days
*Require connecting 1 × DELTA 3 Max Plus + 2 × DELTA 3 Max Plus Smart Extra Battery
with EcoFlow Smart Extra Battery Expansion Adapter.
3-Day Power Usage
Supports a family of four through 3 days of everyday living with 10kWh capacity keeping food fresh,
heat running, lights on, and entertainment devices charged.
*Require connecting 1 × DELTA 3 Max Plus + 2 × DELTA 3 Max Plus Smart Extra Battery with EcoFlow Smart Extra Battery Expansion Adapter.
| Brand | EcoFlow |
|---|---|
| Series | Delta 3 Max |
| Product Type | Extra Battery |
| Capacity Wh | 2048 Wh |
| kWh | 2048 kWh |
| Dimensions L x W x H | 494 × 239 × 196 mm |
| Warranty | 5 Years |
| Adjustable AC Charging Speed | No |
| Certification | C.E, F.C.C, RoHS |
| Technology | LiFeP04 |
| Charging temperatures | 0°C ~ 45°C |
| App Compatible | Yes |
| Water Resistance | IP 66 |
| What's in the box | Delta 3 Max Plus extra Battery, Connection Cable, Manuals & warranty Card |
| Weight | 16Kg |
Datasheet_Ecoflow_Delta_3_Max_Plus_Extra_Battery 
