EcoFlow DELTA 3 Ultra 3072Wh Portable Power Station

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

EcoFlow DELTA 3 Ultra delivers 3600W rated-output, with X-Boost™ 3.0 technology, it supports devices up to 4600W—effortlessly handling heavy-duty appliances[2]. 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.

Kitchen

Living Room

Laundry Room

Office

RV Camping

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
Unlike other portable power stations limited by 1800W grid input when charging, you get higher power for your appliances, enjoying full 3600W output at all times.

Run Outdoor Gear. Power Your RV. Charge Your Essentials— One Station Powers it All

Whether you're parked at camp or on the road, the two DC ports—Anderson and car cigarette port—keep 12V gear running, from portable car fridges to car vacuums and air pumps. When you need more power, the TT-30 port enables support for your entire RV setup. And for everyday use, the high-power USB-C port fast-charges laptops and phones with ease.

4 Ways to Charge Up — Ready in Just 1.48 Hrs

Remote charging control for added peace of mind.

Wall Charging

1800W Input, 0-80% in 1.48 hrs. EcoFlow’s exclusive Storm Guard Mode 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.

Generator Charging

With 1800W input, recharge to 80% in just 1.48 hrs. The EcoFlow Smart Generator 4000 (Dual Fuel) powers up DELTA 3 Ultra for storms, outages, and off-grid living.

Solar Charging

800W Input, 0-80% in 3.37 hrs. Pair it with EcoFlow Solar Panels (25% high-efficiency) for reliable power during camping trips, van life, or off-grid living.

Alternator Charging

With the EcoFlow Alternator Charger, get ready fast while on the move.

Go Hybrid—Extend Backup With a Smart Generator

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

Deeper Insights, Easier Control

Monitor your energy usage and solar generation—all with one intuitive dashboard. Set timed charging/discharging missions so that you can charge during off-peak hours and discharge during peak rate periods to save costs.

Cut Costs, Not Comfort

DELTA 3 Ultra Plus 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. To use this feature, update the software to V6.15 or above and upgradethe firmware to V7.80.99.52 or above.

Long-Lasting, Durable, Always Ready for Emergencies

Automotive-Grade Full-Tab LFP Cells

Rugged exterior and intelligent BMS for unmatched reliability

Built to Last

From battery chemistry to structural design, DELTA 3 Ultra is engineered for extreme durability, environmental resilience, and whisper-quiet performance.

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 is drop-resistant (0.2m) and shockproof —protecting against overnight condensation and off-road bumps during transport. You get stable power even in the most demanding conditions

Extreme Environment Resistance

DELTA 3 Ultra keeps your power flowing through freezing cold, scorching heat, humid environments (95% humidity tolerance), or coastal air—for reliable energy anytime, anywhere.

Class B EMC Certification

Certified to Class B EMC standards, it won’t interfere with TVs, Wi-Fi, or other home electronics.

Compatibility