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Redefine Industry Standards [1]
Extend Power for Your Most Important Devices
Smart Output Priority Tech
Extend Power for Your Most Important Devices
Smart Output Priority Tech
Power That Grows With You
3–11kWh scalable capacity Continuous power with Smart Generator
Power Anything, Anywhere
Industry-leading 3600W rated output 7200W surge output
10 Years of Reliable Power [3]
EV-grade full-tab LFP batteries
Easy Home Connection
Smarter, Safer, 24/7 Protection with BMS
ARM Cortex chipset Cloud intelligence algorithm
Ready in Just 48 Mins [2]
6 charging methods

A New Era of Power Performance

Industry-Leading 3kWh Portable Power Station with Smart Output Priority

Extend runtime for your essentials and stay powered through anything.

Pick Your Priority Outputs, Extend What Matters Most
Smart Remote Switching | Reduce waste to increase runtime for essentials
DELTA 3 Ultra Plus (3072Wh) introduces Smart Output Priority Tech. This convenient new feature lets you choose which circuits stay powered via the app. Prioritize what matters—like your fridge, Wi-Fi, or medical devices—and extend runtime when it counts most, even when you're away.
Pick Your Priority Outputs, Extend What Matters Most
Smart Power Reserve | Set your desired battery threshold (%) to automatically shed non-essential loads during outages
With app-based presets, DELTA 3 Ultra Plus (3072Wh) automatically follows your priority settings during outages—shutting off lights while keeping your fridge running. Wake up to fresh food and plenty of power left—just like nothing happened.

3600W Output, 7200W Surge—Powerful. Stable. Built to Handle It All

DELTA 3 Ultra Plus (3072Wh) delivers 3600W rated-output (7200W surge) . With X-Boost™ 3.0 technology, it supports devices up to 4600W—effortlessly handling heavy-duty appliances. The inverter samples AC voltage and current every 33μs with high precision with a DSP chip, ensuring a pure sine wave output with beyond grid-level stability—ideal for powering sensitive electronics reliably.
Microwave (1300W)
Refrigerator (300W)
Blender (500W)
Coffee maker (1000W)
Electric frying pan (1200W)
50" TV (110W)
PS5 (200W)
Speaker (400W)
Projector (65W)
Washer (500W)
Clothing steamer (1875W)
Dryer (2450W)
Light (10W)
Laptop (60W)
Wi-Fi router (50W)
NAS (50W)
PC (500W)
10ms Auto-Switch. Zero Interruptions.
Automatically switches within 10 milliseconds during a power outage—no manual intervention required.
Heated blanket (100W)
Electric grill (1150W)
Electric kettle (1500W)
Mini/car fridge (60W)
Camping light (10W)
Anderson Port & TT-30 Port, ideal for RV life.
Circular saw (1400W)
Electric drill (1080W)
Table saw (1100W)
Lawn mower (2200W)
Water pump (1500W)
EcoFlow’s X-Fusion™ 3.0 Tech
When in bypass mode and connected to the grid or generator to power appliances via an AC outlet, X-Fusion overrides grid/generator electricity with inverter power—achieving a maximum power output of 3600W for DELTA 3 Ultra Plus (3072Wh).
Kitchen
Living Room
Laundry Room
Office
RV Camping
Garage
All Your Essentials. All at Once.
DELTA 3 Ultra Plus (3072Wh) delivers a powerful 3600W output—enough to run your microwave, kettle, fridge, and blender all at once, without a flicker. Lunchtime? Go full throttle. No unplugging, no interruptions—just seamless power. [4]

Easily Scales Up—From Hours to Days

3–11kWh expandable capacity

Compatible with Smart Generators for unlimited runtime

Covers essential power needs during a 4–10 hour outage—keeping food fresh, heat running, lights on, and communication devices charged. [5]
Light (10W)

3

7

hrs
Phone (11W)

1

2

times
Wi-Fi Router (10W)

3

7

hrs
50" TV (110W)

20

40

mins
Refrigerator (200W)

12

24

hrs
Microwave (1300W)

10

20

mins
Electric Blanket (50W)

3

6

hrs
Hair Dryer (1600W)

7

15

mins
  • Half-Day Outage
  • 1-Day Outage
  • 2-Day Outage
  • 3-Day Outage

Go Hybrid—Extend Backup with a Smart Generator

Pair DELTA 3 Ultra Plus (3072Wh) with an EcoFlow Smart Generator [8] to achieve longer runtime—automatically switching between fuel and battery to keep you powered through multi-day outages or off-grid adventures.

Go Hybrid—Extend Backup with a Smart Generator

Pair DELTA 3 Ultra Plus (3072Wh) with an EcoFlow Smart Generator [8] to achieve longer runtime—automatically switching between fuel and battery to keep you powered through multi-day outages or off-grid adventures.
Learn more about EcoFlow Smart GeneratorsUnlock unmatched power and reliability with the EcoFlow Smart Generators and EcoFlow DELTA 3 Ultra Plus (3072Wh) hybrid setup. Featuring fast charging and high efficiency, they excel in various scenarios, from backup power to on-the-go charging.
Two Easy Ways to Connect to Your Home
Manual Transfer Switch [9]
Switch smoothly between grid and DELTA 3 Ultra Plus (3072Wh) to meet diverse energy needs, ensuring continuous reliability without interruption.
Inlet Box
Simply connect the built-in AC socket with an Inlet Box to power your home appliances. [10]

A New Level of Fast

Ultra-versatile 6 charging options, 48-minute fast charge.

Remote charging control for added peace of mind.

6 Ways to Charge Up — Ready in Just 48 Mins [1]
Wall Charging
Generator Charging
Solar Charging
Alternator Charging
Solar + Generator Dual Charging
Solar + Alternator Dual Charging
1800W Input, 0-80% in 89 mins. [11] EcoFlow’s exclusive Storm Guard Mode [12] monitors severe weather alerts and automatically triggers AC charging remotely using industry-leading X-Stream fast charging tech—so it can be ready long before a disaster hits.

Long-Lasting, Durable, Always Ready for Emergencies

Automotive-grade full-tab LFP cells

Rugged exterior and intelligent BMS for unmatched reliability

Automotive-grade Full-Tab LFP Cells: Next-Level Battery Reliability
DELTA 3 Ultra Plus (3072Wh) is equipped with automotive-grade full-tab LFP cells. The full-tab design reduces resistance, enhances efficiency and safety, and provides higher capacity with less heat, resulting in a long battery lifespan.
25% more
efficient power flow (thanks to lower resistance: 1.5 mΩ vs. 2 mΩ) [17]
25% less
self-heating [18]
Unrivaled Balance for Unmatched Battery Longevity
With 27% fewer cells per kWh, [19] our 16-cell design runs cooler, lasts longer, and delivers greater stability. Each cell is rigorously tested for capacity, voltage, and internal resistance—resulting in a highly uniform pack that protects against overcharging, imbalance, and premature wear.
16-cell uniform set per 1 kWh
Rigorously tested for capacity, voltage, and internal resistance

Built to Last

From battery chemistry to structural design, DELTA 3 Ultra Plus (3072Wh) is engineered for extreme durability, environmental resilience, and whisper-quiet performance—delivering power you can count on for over 10 years. [3]
Smart, 24/7 Battery Protection
EcoFlow’s advanced BMS uses a high-performance ARM Cortex chipset and intelligent algorithms to monitor your battery in real time. By tracking SOC, SOH, temperature, and more, it ensures peak performance, extended battery life, and worry-free operation.
EV-Grade CTC Structure
Built with a cell-to-chassis (CTC) structure, DELTA 3 Ultra Plus (3072Wh) is drop-resistant (0.2m) —protecting against overnight condensation and off-road bumps during transport. You get stable power even in the most demanding conditions. [20]
Extreme Environment Resistance
DELTA 3 Ultra Plus (3072Wh) keeps your power flowing through freezing cold, scorching heat, humid environments (95% humidity tolerance), or coastal air (5% salt spray resistance). [20]
Class B EMC Certification
Certified to Class B EMC standards, it won’t interfere with TVs, Wi-Fi, or other home electronics.
25dB Whisper-Quiet Operation Under Loads [21]
Powered by X-Quiet™ 3.0, EcoFlow’s stepless fan control adjusts airflow smoothly to maintain precise thermal regulation—keeping your home or workspace peacefully quiet, even under heavy loads.
Deeper Insights, Easier Control
Monitor your energy usage, savings, and solar generation—all with one intuitive dashboard. Easily track battery status, real-time electricity rates, and financial savings.
Output
Solar Generation
Earnings [22]
Cut Costs, Not Comfort
DELTA 3 Ultra Plus (3072Wh) intelligently optimizes energy usage to help lower your electricity bills while powering your home sustainably. Set automated tasks to charge during off-peak evening hours and discharge during the day.
AI Mode
Charge During Off-Peak, Use During Peak AI Mode lets you set custom charging and discharging schedules based on your local electricity rates. Charge when energy is cheapest, and discharge during peak hours to cut costs without lifting a finger. [22]
Self-Powered
Reduce Grid Dependency, Lower Electricity Costs Self-Powered mode stores solar energy and powers your home once battery levels exceed a preset reserve. It minimizes grid use while maximizing solar efficiency—ideal for managing fluctuating energy prices and enhancing your energy independence.

Comparison

Explore The NEW EcoFlow DELTA Series

EcoFlow DELTA 3 Classic (1024Wh)
1kWh Fast-Charging Portable Power Station
Learn More
EcoFlow DELTA 3 Max Plus (2048Wh)
2kWh Portable Power Station with 3000W Max Output
Learn More
Disclaimer
1. "Redefine Industry Standards" is based on comparisons with existing EcoFlow products, highlighting enhancements in functionality and output performance.
2. 0-80% in 48 minutes was measured in optimal conditions using the EcoFlow Smart Generator 4000 (Dual Fuel) and Solar Panels, total 3960W input.
3. Based on proper product usage, DELTA 3 Ultra Plus (3072Wh) is estimated to have a lifespan of approximately 10 years, according to internal simulation test data. This information is for reference only; actual user experience may vary.
4. The conclusion that multiple appliances can be powered simultaneously is based on internal testing. Actual performance may vary in real-world use.
5. Backup time based on ideal conditions; actual results may vary.
6. Require connecting 1*DELTA 3 Ultra Plus (3072Wh) + 2* DELTA 3 Max Plus (2048Wh) Smart Extra Battery with EcoFlow Smart Extra Battery Expansion Adapter. The EcoFlow Extra Battery Expansion Adapter will be released soon.
7. Require connecting 1*DELTA 3 Ultra Plus (3072Wh) + 2* DELTA Pro 3 Smart Extra Battery with EcoFlow Smart Extra Battery Expansion Adapter. The EcoFlow Extra Battery Expansion Adapter will be released soon.
8. EcoFlow Smart Generators are sold separately.
9. Manual Transfer Swith is sold separately.
10. This accessory should be purchased separately.
11. All charging speed data comes from EcoFlow labs and is for reference only. The actual data may vary slightly depending on the usage environment, device condition, software version, and other factors.
12. Feature requires preset activation via the EcoFlow App.
13. To enable this feature, connect DELTA 3 Ultra Plus (3072Wh) to the Smart Generator using the charging cable and enable the preset in the EcoFlow App. Communication is handled via Bluetooth or Wi-Fi.
14. EcoFlow Solar Panels are sold separately.
15. EcoFlow Alternator Charger Plus 1000 will be launched soon and is sold separately.
16. Compared with car cigarette port charging.
17. Refers to the internal resistance of EF Full-Tab LFP Cells being 1.5mΩ, which is 25% lower than the 2mΩ internal resistance of the previous EF #C33 Battery Cell.
18. A 25% reduction in single-cell internal resistance. According to the heat generation formula Q = I²Rt, under the same current, a 25% reduction in resistance leads to a proportional 25% decrease in heat generation.
19. Compared with the previous usage of EF #C33 Battery Cell.
20. Unless otherwise noted, all above data comes from EcoFlow labs and is for reference only. The actual data may vary slightly depending on the usage environment, device condition, software version, and other factors.
21. Noise levels measured at 1m under 25°C ambient: ≤25dB (600W) for charging/discharging.
22. Certain features in the EcoFlow app will be available soon. Please refer to the EcoFlow app for details on feature availability.
23. Unless otherwise noted, all images, videos, and screen display contents about the product itself on this page are for reference only. Actual product effects (including but not limited to appearance, color, and size) and screen display contents (including but not limited to backgrounds, UI, and illustrations) may vary.
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