2400W Output— Powerful. Stable. Built to Handle It All
EcoFlow DELTA 3 Max 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.
4 Ways to Charge Up — Ready in Just 68 Mins
Remote charging control for added peace of mind.
Long-Lasting, Durable, Always Ready for Emergencies
Built to Last
From battery chemistry to structural design, DELTA 3 Max is engineered for extreme durability, environmental resilience, and whisper-quiet performance.
![25dB Whisper-Quiet Operation Under Loads [9]](http://us.ecoflow.com/cdn/shop/files/Frame-2094654402.jpg?v=1758801560)
![25dB Whisper-Quiet Operation Under Loads [9]](http://us.ecoflow.com/cdn/shop/files/AC_-1_b950171d-cef4-4ff4-b94e-c786c70e63f6.jpg?v=1758801556)
Compact, Portable, Lighter than Ever — Works Anywhere
Lightweight and easy to carry, DELTA 3 Max 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.
What's In The Box?
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 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
Specs
Net Weight
20.3+0.4kg
Dimensions (HWD)
494mm×239mm×305mm
Rated Capacity
2048Wh 51.2V 40Ah
Cell Chemistry
LFP(LiFePO4)
AC Output
120V 60Hz 2400W total, 20A(x4) Max per
port
X-Boost
3400W
USB-A Output
USB-A(x1): 5V-3A/9V-2A/12V-1.5A, 18W Max
USB-C Output
USB-C(x1):5/9/12/15V-3A,20V--5A, 100W Max
USB-C(x2):5/9V-3A, 15V-2A,30W Max per port, total 30W
Cigarette Lighter Output Port
12.6V, 10A, 126W Max
AC Input (Charge Only)
100-120V~15A 50/60Hz
Maximum PV Input Power(W)
500W
Charge Temperature
0°C-45°C(32°F-113°F)
Discharge Temperature
-10 to 45°C(14°F-113°F)
Operating Humidity
20%-95%
Warranty
5-Year Warranty
*Includes 3-year standard warranty and 2-year extended warranty available upon EcoFlow App registration.
Communication Method
Wifi 2.4GHz/ Bluetooth5.0
EMC
Class B
UPS
<10ms
