EcoFlow DELTA Pro 3 Portable Power Station (4096Wh, 4000W)

Description

EcoFlow DELTA Pro 3 Portable Power Station (4096Wh, 4000W) Product Information

The EcoFlow DELTA Pro 3 Portable Power Station (4096Wh, 4000W) represents a monumental leap in energy independence, offering a massive 4096Wh capacity and a robust 4000W AC output.

Designed for homeowners seeking reliable backup and off-grid enthusiasts alike, this station powers everything from heavy-duty 3-ton air conditioners to sensitive medical equipment.

With its professional-grade LFP battery and ultra-fast charging, it provides peace of mind during outages. Whether you are safeguarding your home or powering a remote worksite, the EcoFlow DELTA Pro 3 is the definitive choice for high-performance, sustainable energy.

Key Technical Details of the Ecoflow Delta Pro 3 Portable Power Station

1. Massive Output: 4000W continuous AC output (8000W Surge) with X-Boost up to 6000W to run 99% of appliances.
2. Premium Battery: LiFePO4 (LFP) chemistry offering 4,000+ cycles to 80% capacity for over 10 years of daily use.
3. Ultra-Fast Charging: Recharges from 0-80% in just 50 minutes using X-Stream multi-charge technology.
4. Whisper-Quiet Operation: Operates at a discreet 30dB (under 2000W), making it ideal for indoor use and sleeping areas.
5. Expandable Ecosystem: Scalable from 4kWh up to 12kWh per unit, or up to 48kWh for full-house backup.
6. Instant UPS Backup: Features a <10ms switchover time to keep servers and home electronics running without a flicker.

Unmatched Performance of the EcoFlow DELTA Pro 3

The DELTA Pro 3 (4096Wh, 4000W) is engineered to handle the most demanding electrical loads with ease. Featuring a 4000W rated output, it can effortlessly start high-wattage appliances like well pumps and clothes dryers that typically stall smaller units.

The inclusion of 120V/240V split-phase support means you can plug in heavy-duty tools or your home’s central AC unit directly.

This power station doesn’t just provide energy; it delivers industrial-grade performance that ensures your lifestyle remains uninterrupted, regardless of grid stability.

Next-Gen Battery Longevity and Safety

Built with automotive-grade LiFePO4 (LFP) cells, the DELTA Pro 3 is designed for the long haul.

It boasts a lifespan of 4,000+ cycles, which translates to roughly 11 years of daily use before the battery capacity dips to 80%.

Beyond durability, safety is a priority; the IP65-rated battery pack is resistant to dust and water, while the X-Guard BMS monitors 40 safety indicators 24/7.

This robust construction provides a secure feeling, knowing your investment is protected against fire risks, impacts, and extreme weather conditions.

Revolutionary Charging and X-Quiet Technology

Waiting hours for a recharge is a thing of the past with the EcoFlow DELTA Pro 3’s multi-charge technology. By combining AC, solar, and even EV charging piles, you can reach a staggering 7000W input rate, hitting 80% charge in under an hour.

The innovative X-Quiet technology ensures that this massive power doesn’t come with a headache. Operating at just 30dB, it is as silent as a whisper in a library, allowing you to keep the unit in your bedroom or workspace without distraction.

Smart Integration and Seamless Backup

The EcoFlow DELTA Pro 3 Portable Power Station (4096Wh, 4000W) serves as a sophisticated brain for your home energy. With a 10ms UPS switchover, your desktop computers and NAS servers won’t even “blink” during a sudden blackout, preventing data loss.

You can manage every aspect of the unit via the EcoFlow App, which provides real-time insights into consumption and charging status.

This level of smart control, combined with the ability to expand capacity up to 48kWh, makes it a future-proof foundation for any home backup system.

Feature             Specification

Model                                           EcoFlow DELTA Pro 3 (EFD521)
Capacity                                       4096Wh
AC Output                                   4000W Total (Surge 8000W); 120V/240V Support
Battery Chemistry                      LFP (Lithium Iron Phosphate)
Cycle Life                                      “4,000 Cycles to 80%+ Capacity”
AC Charging Input                      2900W Max
Solar Charging Input                  2600W Max (HPV 1600W / LPV 1000W)
Multi-Charge Max                       “7000W (Combining AC, Solar, etc.)”
Output Ports                                 “7 x AC Outlets, 2 x USB-A (18W), 2 x USB-C (100W)”
DC Outputs                                   “12.6V/30A Anderson, 12.6V/5A DC5521, 12V/10A Car”
UPS Switchover                            <10ms
Noise Level                                    ≤30dB (below 2000W load)
Weight                                             Approx. 51.5 kg (113.5 lbs)
Dimensions                                    693 x 341 x 410 mm (27.3 x 13.4 x 16.2 in)
Warranty                                          5 Years