EcoFlow EFD3M-G-US DELTA 3 Max Series Portable Power Station (2048Wh) - Gray

2400W Output— Powerful. Stable. Built to Handle It All
EcoFlow DELTA 3 Max (2048Wh) delivers 2400W AC rated output. With X-Boost™ 3.0 technology, it supports devices up to 3400W—effortlessly taking on your heavy-duty appliances. The inverter samples AC voltage and current every 33μs with high precision using a DSP chip, ensuring pure sine wave output with beyond grid-level stability—ideal for powering sensitive electronics reliably.

Kitchen

Living Room

Office

Garage

Laundry Room

RV Camping

4 Ways to Charge Up — Ready in Just 68 Mins
Remote charging control for added peace of mind.

Wall Charging

1800W Input, 0-80% in 68 mins^[3]. EcoFlow’s exclusive Storm Guard Mode^[4] 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 68 mins[1]. The EcoFlow Smart Generator 4000 (Dual Fuel) powers up DELTA 3 Max (2048Wh) for storms, outages, and off-grid living[5].

Solar Charging

500W Input, 0-80% in 3.43 hrs. Pair it with EcoFlow Solar Panels (25% high-efficiency) for reliable power during camping trips, van life, or off-grid living[6].

Alternator Charging

With the EcoFlow 500W Alternator Charger[7], 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 Max (2048Wh) 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 Max (2048Wh) is drop-resistant 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 Max (2048Wh) keeps your power flowing through freezing cold, scorching heat, humid environments (95% humidity tolerance), or coastal air—for reliable energy anytime, anywhere[8].

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 [9]

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.

Compact, Portable, Lighter than Ever — Works Anywhere

Lightweight and easy to carry, DELTA 3 Max (2048Wh) fits into any setting—from home to the great outdoors. Weighing just 20.3 kg, it’s 13% lighter[10] for effortless portability while still packing serious power.

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, discharge during peak rate periods to save costs.

Compatibility

Footnotes:

1. 0-80% in 68 minutes was measured in optimal conditions using AC charging with X-Stream Fast Charging mode on.
2. Based on proper product usage, DELTA 3 Max (2048Wh) 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.
3. 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.
4. Feature requires preset activation via the EcoFlow App.
5. EcoFlow Smart Generators are sold separately.
6. EcoFlow Solar Panels are sold separately.
7. EcoFlow 500W Alternator Charger is sold separately.
8. 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.
9. Noise levels measured at 1m under 25°C ambient: ≤25dB (600W) for charging/discharging.
10. Compared with EcoFlow DELTA 2 Max