EcoFlow DELTA 3 Max Grey Portable Power Station
Description
Compact Power for Every Setting
Delivering 2400W rated output and 4800W surge power, the DELTA 3 Max provides smooth, grid-stable energy for home or mobile use. With X-Boost™ 3.0, it safely supports devices up to 3400W, making it capable of running most household essentials and workshop tools.
Fast and Flexible Charging
The DELTA 3 Max supports four efficient charging options—wall, generator, solar, and alternator. It recharges from 0-80% in just 68 minutes using EcoFlow's X-Stream Fast Charging. The Storm Guard Mode automatically triggers charging when severe weather is forecasted, so you're always ready for an outage.
Lightweight, Durable, and Reliable
Engineered with automotive-grade full-tab LFP cells and an EV-grade CTC structure, the DELTA 3 Max ensures long-term reliability and rugged protection. Weighing only 20.3 kg—13% lighter than previous generations—it's easy to move and ideal for mobile setups or small homes. The intelligent BMS provides 24/7 monitoring, optimizing safety and battery life for over 10 years of use.
Smarter Power Management
Control and monitor your energy in real time using the EcoFlow OASIS 3.0 App. Track power usage, set charge schedules, or enable Self-Powered Mode to save on energy bills. With a 10 ms UPS switch-over, critical devices like NAS servers or routers remain uninterrupted during outages.
Whisper-Quiet Performance
Operating at just 25 dB under typical loads, the DELTA 3 Max delivers near-silent performance suitable for indoor use or nighttime operation—without compromising on efficiency.
Technical Specifications
Dimensions
- 19.45 × 9.41 × 12.01 in (494 × 239 × 305 mm)
Weight
- 44.75 lbs (20.3 kg)
Durability
- Operating Temperature: 20°C-30°C (68°F-86°F)
- Charge Temperature: 0°C-45°C (32°F-113°F)
- Discharge Temperature: –10°C to 45°C (14°F-113°F)
- Operating Humidity: 20%-95%
Included
- EcoFlow DELTA 3 Max Gray
- AC charging cable
- Manuals and warranty card
Battery
- Capacity: 2048Wh 51.2V 40Ah
- Battery Chemistry: LFP (LiFePO4)
- AC Charging: 100-120V~15A 50/60Hz
- AC Output: 120V 60Hz 2400W total, 20A (x4) Max per port
- X-Boost: 3400W
- Cigarette Lighter Output Port: 12.6V, 10A, 126W Max
- USB-A Output: (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
- Maximum PV Input Power: 500W
Additional
- Connection: Wifi 2.4GHz/ Bluetooth5.0
- Noise: ≤25dB (600W) for charging/discharging.
- EMC: Class B
- UPC: <10ms





























































