✓ EcoFlow Authorized Dealer · 5-Year Warranty · Free Shipping to the US
Capacity: 2048Wh, expandable 2–10kWh for hours-to-days of backup.
3000W AC output (6000W surge); X-Boost 3.0 supports appliances up to 3800W.
5 ways to charge — ready in 43 minutes (0–80%) with generator or dual charging.
Automotive-grade full-tab LFP cells: 10 years of reliable power with EV-grade CTC structure.
10ms auto-switch UPS — fastest-in-class switchover keeps devices running uninterrupted.
25 dB whisper-quiet operation (≤25dB at 600W) with X-Quiet 3.0 stepless fan control.
Smart Output Priority: pick which circuits stay powered via the app to extend runtime.
OASIS 3.0 smart app: monitor battery, electricity prices, and savings; Storm Guard auto-backup.
Related guides: Not sure this is the right fit? Read our Best Portable Power for Van Life & Overlanding and Power Outage Preparedness Kit for sizing, comparisons, and real-world setups.
Up To 60% Off Add-Ons
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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.
Remote charging control for added peace of mind.
Rugged exterior and intelligent BMS for unmatched reliability
From battery chemistry to structural design, DELTA 3 Max (2048Wh) is engineered for extreme durability, environmental resilience, and whisper-quiet performance.
![EcoFlow DELTA 3 Max Plus - 25dB Whisper-Quiet Operation Under Loads [9]](http://www.livvoltpower.com/cdn/shop/t/8/assets/delta-3-max-plus-eco-031.webp?v=55979894201832986421784298617&width=1200)
![EcoFlow DELTA 3 Max Plus - 25dB Whisper-Quiet Operation Under Loads [9]](http://www.livvoltpower.com/cdn/shop/t/8/assets/delta-3-max-plus-eco-032.webp?v=178271399491781176011784298617&width=700)
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.
User Story
Compatibility
*Compatibility note: Reverse charging and battery preservation modes rely on XT150 or 4+8 pin communication cables. DELTA 3 Max features an XT60 port only, making these functions unavailable.
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 (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
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
