EcoFlow Delta 3 Ultra

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

EcoFlow DELTA 3 Ultra (3072Wh) delivers 3600W rated-output, 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.

Kitchen	Living Room
Laundry Room	Office
RV Camping	Garage

Go Hybrid—Extend Backup With a Smart Generator

Pair DELTA 3 Ultra (3072Wh) 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.

4 Ways to Charge Up — Ready in Just 1.48 Hrs

Remote charging control for added peace of mind.

Wall Charging	Generator Charging	Solar Charging	Alternator 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.	With 1800W input, recharge to 80% in just 1.48 hrs. The EcoFlow Smart Generator 4000 (Dual Fuel) powers up DELTA 3 Ultra (3072Wh) for storms, outages, and off-grid living	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.	With the EcoFlow Alternator Charger, get ready fast while on the move.

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 (3072Wh) 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: 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.
• 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: 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 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.

Compatibility

Specifications