Ecoflow DELTA 3 Max Portable Power Station - Black + 400w Solar Panel
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Visit CalculatorThe EcoFlow DELTA 3 Max Portable Power Station - Black + 400W Solar Panel is the ultimate all-in-one off-grid power solution. With 2048Wh of capacity, 2400W AC output (3400W X-Boost), and rapid solar recharging up to 500W, it’s perfect for home backup, RV life, and outdoor adventures.
Enjoy smart control via the EcoFlow App, seamless UPS protection, and sustainable power anywhere — all with zero emissions and ultra-quiet operation.

Massive Power Output – Delivers 2400W continuous and 3400W X-Boost power to run heavy appliances like refrigerators, AC units, and power tools.
Long-Life LiFePO₄ Battery – Engineered for 3,000+ charge cycles, ensuring durability and long-term performance.
Fast Solar Charging – Recharges in record time with the 400W high-efficiency solar panel included in the kit.
Smart App Control – Connect via Wi-Fi or Bluetooth to monitor, control, and adjust settings remotely.
Multiple Output Options – Includes AC, USB-A, USB-C, and DC ports for all your devices.
Seamless UPS Mode – <10ms automatic switchover keeps your devices running during power interruptions.
Eco-Friendly Power – 100% clean energy with zero fuel, noise, or maintenance.



Everything you need is included with your product.






| Specification | Details |
| 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 |
| Specification | Details |
| Rated Power | 400W (+10W) |
| Open Circuit Voltage (Voc) | 48V (Vmp 41V) |
| Short Circuit Current (Isc) | 11A (Imp 9.8A) |
| Efficiency | 22.6% |
| Cell Type | Monocrystalline Silicon |
| Unfolded Dimensions | 41.7 × 93.1 × 1.0 in (1058 × 2365 × 25 mm) |
| Folded Dimensions | 41.7 × 24.4 × 1.0 in (1058 × 620 × 25 mm) |
| Weight | Approx. 35.3 lbs (16.0 kg) |
| Waterproof Rating | IP67 |
| Warranty | 12 Months |


How long can the DELTA 3 Max power home appliances?
It can power a refrigerator for up to 20 hours or a CPAP machine for 40+ hours, depending on power draw.
Can it charge with solar panels?
Yes — supports up to 500W solar input and fully compatible with the included 400W solar panel.
Can the DELTA 3 Max be expanded?
Yes — it supports EcoFlow Smart Extra Batteries for additional capacity.
Does it work as a UPS?
Yes — provides <10ms automatic switch-over for seamless power continuity.
Is it safe to use indoors?
Yes — 100% safe and emission-free, perfect for use in enclosed spaces.
Shipping is FAST & FREE across the US. Read our full Shipping Policy here.
We offer market leading Easy 30 Day Returns. Read more about our Returns Policy here.
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I was a DIY solar power wannabe... that is 'til I connected with Manny... The man's a prince! He not only knows his stuff; he walked me through all things electrical. To make sure I had all I needed... he gave me his cell phone # to text him anytime I got confused... nights and weekends included. The prices were very competitive... definitely go with Manny -- you won't go wrong!
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