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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
OfficeGarage
Laundry RoomRV Camping

 

4 Ways to Charge Up — Ready in Just 68 Mins

Remote charging control for added peace of mind.

  1. Wall Charging– 1800W Input, 0-80% in 68 mins. 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.
  2. Generator Charging– With 1800W input, recharge to 80% in just 68 mins. The EcoFlow Smart Generator 4000 (Dual Fuel) powers up DELTA 3 Max (2048Wh) for storms, outages, and off-grid living.
  3. 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.
  4. Alternator Charging– With the EcoFlow 500W 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 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.
  • 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.

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 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

 

 

In the Box

 

 

Specifications

 

Net Weight20.3+0.4kg
Dimensions (HWD)494mm×239mm×305mm
Rated Capacity2048Wh 51.2V 40Ah
Cell ChemistryLFP (LiFePO4)
AC Output120V 60Hz 2400W total, 20A (x4) Max per
port
X-Boost3400W
USB-A OutputUSB-A (x1): 5V-3A/9V-2A/12V-1.5A, 18W Max
USB-C OutputUSB-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 Port12.6V, 10A, 126W Max
AC Input (Charge Only)100-120V~15A 50/60Hz
Maximum PV Input Power(W)500W
Charge Temperature0°C-45°C (32°F-113°F)
Discharge Temperature-10 to 45°C (14°F-113°F)
Operating Humidity20%-95%
Warranty5-Year Warranty
*Includes 3-year standard warranty and 2-year extended warranty available upon EcoFlow App registration.
Communication MethodWifi 2.4GHz/ Bluetooth5.0
EMCClass B
UPS<10ms

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