Expandable, Intelligent Power — Built for Anything the Grid Can't Handle
The EcoFlow DELTA 3 Ultra Plus (3072Wh) is a premium portable power station designed for homeowners and outdoor enthusiasts who need serious, flexible backup power. With 3600W rated AC output (7200W surge) and X-Boost™ 3.0 support for appliances up to 4600W, it handles everything from kitchen appliances to power tools. What sets the Ultra Plus apart is Smart Output Priority — the ability to choose which outlets stay powered via the EcoFlow app, extending runtime when it matters most. With 6 charging methods and the ability to scale from 3kWh up to 11kWh, it's engineered for half-day outages and multi-day emergencies alike.
Note: EcoFlow Smart Generators, Solar Panels, and Alternator Charger are sold separately.
Choose Your Option
| Feature |
Portable Power Station |
+ Smart Extra Battery |
| Total Capacity |
3072Wh |
~5kWh (3072 + 2048Wh) |
| Extra Battery |
Not included |
DELTA 3 Max Plus (2048Wh) |
| Max Scalability |
Up to 11kWh |
Up to 11kWh |
| Smart Output Priority |
✓ |
✓ |
Specifications
| Spec |
Details |
| Rated Capacity |
3072Wh |
| Bundle Capacity (w/ battery) |
~5kWh (3072Wh + 2048Wh Smart Extra Battery) |
| Max Scalability |
Up to 11kWh (with 2× DELTA Pro 3 Extra Battery) |
| Cell Chemistry |
LFP (LiFePO4) |
| AC Output |
120V~60Hz, 3600W total (surge 7200W), 20A×4 per port, 30A×1 per port |
| X-Boost™ 3.0 |
Up to 4600W |
| DC Output |
12.6V-30A, 378W Total; Anderson: 30A Max |
| Smart Output Priority |
Yes — manage each outlet remotely via EcoFlow app |
| Charging Methods |
6 Ways: Solar+Generator, Solar, Wall, Generator, Alternator, Solar+Alternator |
| Fastest Charge |
0–80% in 48 mins (Solar + Generator dual, 3960W input) |
| Wall Charge Time |
0–80% in 89 mins (1800W input) |
| Solar Charge Time |
0–80% in 101 mins (1600W input) |
| Generator Charge Time |
0–80% in 53 mins (3200W, with Smart Generator 4000) |
| Alternator Charge Time |
0–80% in 142 mins (1000W input) |
| Solar+Alternator Charge |
0–80% in 60 mins (2600W dual input) |
| Max PV Input |
1600W |
| Net Weight |
33.7±0.6kg |
| UPS Auto-Switch |
<10ms |
| Noise Level |
≤25dB at 600W |
| EMC |
Class B |
| Communication |
Wi-Fi & Bluetooth |
| Warranty |
5-Year |
Key Features
-
Smart Output Priority — Choose which outlets stay powered via app; extend runtime on essentials like refrigerators and medical devices
-
3–11kWh Expandable Capacity — Add Smart Extra Batteries to scale up for multi-day outage coverage
-
6 Ways to Charge — Fastest: 0–80% in 48 mins via Solar + Generator dual charging (3960W)
-
3600W Output / 7200W Surge — X-Boost™ 3.0 supports appliances up to 4600W
-
DC Ports + Anderson Port — 12.6V-30A, 378W total; Anderson 30A Max for 12V gear and RV use
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Automotive-Grade LFP Cells — 10+ year lifespan, EV-grade CTC structure, 24/7 BMS
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10ms UPS Auto-Switch — Keeps NAS, servers, and sensitive electronics running
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≤25dB Whisper-Quiet — X-Quiet™ 3.0 stepless fan control
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OASIS 3.0 Smart App — Storm Guard Mode, Self-Powered Mode, cost-tracking dashboard
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Up to 5-Year Warranty
