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- Free 5-Year Warranty for the EcoFlow Delta Pro Ultra ($500 Value)
- Free 10-Year Warranty for the EcoFlow 400W Portable Solar Panel ($800 Value)
- Free Lifetime Technical Support ($300 Value)
- Free EcoFlow 400W Portable Solar Panel EcoFlow Solar Panel Carrying Case EcoFlow Solar to Low-PV Port Charging Cable for EcoFlow DELTA Pro Ultra ($888.97 Value)
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EcoFlow DELTA Pro Ultra Whole-Home Backup Power
EcoFlow DELTA Pro Ultra is our most powerful whole-house backup solution to date. Optimize your home's energy management with EcoFlow DELTA Pro Ultra. With the ability to power multiple appliances and devices simultaneously, you can rest easy knowing you have dependable backup power when you need it most.
- 7.2kW-21.6kW output with up to 3 inverters
- Up to 90kWh capacity with 3 inverters and 15 batteries
- 5.6kW-16.8kW solar input with up to 3 inverters
- Online UPS, 0-ms transfer time
- LFP battery
Features:
Month-long power security, 6-90kWh Capacity
Take home power dependability to another level with up to 90kWh battery capacity. For a standard household, that's over 30 days of essential backup power to keep appliances like lights and refrigerators running strong (time may vary). Stackable and space-saving, it packs comfortably into a garage or utility closet.
One unit covers every appliance, 7.2kW-21.6kW, 120V & 240V Output
With a 7.2kW output, EcoFlow DELTA Pro Ultra effortlessly runs even energy-hungry household items, like a 3-ton central air conditioner*. For more power, pair 3 inverters with the EcoFlow Smart Home Panel 2 to unlock a 21.6kW AC output. Plus, with X-Fusion you'll get a constant 7200W output no matter what.*
One hour of solar for one day of power, 5.6kW-16.8kW Solar Input
By leveraging High and Low-PV technologies, a single inverter sets new portable solar input standards with a 5.6kW input*. Connect three inverters for a monumental 16.8kW, gaining a full day's home energy in 60 minutes. Whether you prefer a portable setup or a rooftop solar system, you can achieve true energy independence.
Flexible Solar Systems
With its flexible plug-and-play design and unrivaled solar input, EcoFlow DELTA Pro Ultra empowers you to tailor your solution to fit your energy needs. EcoFlow DELTA Pro Ultra includes a PV locking feature, assuring safety and a solid energy connection.
Rooftop Solar Systems
EcoFlow DELTA Pro Ultra works seamlessly with existing rooftop solar panels, replacing sensitive solar inverters prone to failure. Working in tandem with EcoFlow Smart Home Panel 2, maximize the value of your solar power and cut a chunk of change off your energy bill.
Always in charge with a Generator or EV pile
You're spoilt for choice with EcoFlow DELTA Pro Ultra's charging options. As well as all our usual methods, like solar and the grid, you can now power up using a gas generator or even your EV charging pile. With the industry's fastest charging speeds of 8800W, top up two batteries in only 2 hours.
You won't even notice the grid was down. 0-ms Downtime, 0 dB Silent Backup
Imagine a world where power outages go unnoticed. With EcoFlow DELTA Pro Ultra's online UPS, you'll get just that. With uninterrupted power flow, EcoFlow DELTA Pro Ultra safeguards your vulnerable electronic equipment round-the-clock. For extended outages, you don't want to hear your backup in the background, so for low draws under 2000W*, it's completely silent. With a whisper-quiet 0 dB, your nights remain undisturbed as it powers your devices.*For a maximum of 30 minutes.
Peace of mind with an advanced design.
EcoFlow X-Cooling
With its flexible plug-and-play design and unrivaled solar input, EcoFlow DELTA Pro Ultra empowers you to tailor your solution to fit your energy needs. EcoFlow DELTA Pro Ultra includes a PV locking feature, assuring safety and a solid energy connection.
Boost Performance with BMS
Our state-of-the-art LFP tech and advanced battery management system (BMS) regulates vital data, ensuring the safety, longevity, and high performance of EcoFlow DELTA Pro Ultra.With each battery offering a cycle life of 3500 , you'll get years of use before capacity drops to 80%. Even then, it keeps powering on.
Powers through the most challenging situations.
EcoFlow DELTA Pro Ultra tackles even the most grueling conditions. Whether it's extreme weather or freezing winters, this giant safeguards your power security, just like usual.
What’s in the box
EcoFlow DELTA Pro Ultra Inverter Specifications:
| Brand | Ecoflow |
| Model | EFYJ751-PCS-US |
| Net Weight | 31.7 kg (70 lb) |
| Dimensions | 690 × 481 × 214 mm (27.2 × 18.9 × 8.4 in.) |
| Wi-Fi |
Frequency range: 2,412-2,462MHz/2,422-2,452MHz Maximum output power: 0.3597W |
| Bluetooth |
Frequency range: 2,402-2,480MHz Maximum output power: 0.0109W |
| Output | |
| AC Output |
Discharging: Pure sine, 7,200W total, 120V/240V~ 60Hz Bypass: 100-120V~30A total, 50Hz/60Hz |
| USB Ports |
USB-A (× 2): 5V⎓2.4A, 12W max per port, total 24W USB-C (× 2): 5/9/12/15/20V⎓5A, 100W max per port, total 200W |
| DC Output | 12.6V⎓30A, 378W max |
| Input | |
| AC Input |
Charging: 100-120V~15A; 200-240V~12.5A, 50/60Hz Bypass: 100-120V~15A, 50/60Hz (duration < 3hrs when the current exceeds 12A) |
| Power Input/Output | 100-120~30A; 200-240V~30A, 50/60Hz |
| High-PV | 80-450V⎓15A max, 4,000W max |
| Low-PV | 30-150V⎓15A max, 1,600W max |
| Other | |
| Temperature |
Discharging temp: −20°C to 45°C (−4°F to 113°F) Charging temp: −20°C to 45°C (−4°F to 113°F) Storage temp: −20°C to 45°C (−4°F to 113°F) (optimum: −20°C to 45°C(68°C to 86°F)) |
| Altitude | ≤3,000 m (9,842 ft.) |
| IP Rating | IP54 |
| Noise Level | <30 dB |
| UPS | Backup UPS <20 ms; online UPS 0 ms |
| Communication Method | CAN & Bluetooth & Wi-Fi & Ethernet & 4G |
EcoFlow DELTA Pro Ultra Battery Specifications:
| Brand | EcoFlow |
| Model | EFYJ751-BP |
| Net Weight | 52.7 kg (116.4 lb) |
| Dimensions | 660 × 455 × 204 mm (26 × 18 × 8 in.) |
| Capacity | 102.4V⎓60A, 6,144Wh |
| Battery | |
| Cell Material | LFP |
| Cycle Life | The battery maintains 80% SOH (state of health) after 3,500 cycles at 0.5C/0.5C at 25°C (77°F) |
| Protection type | Overvoltage protection, overload protection, overtemperature protection, short circuit protection, low temperature protection, low voltage protection, overcurrent protection |
| Other | |
| Temperature |
Discharging temp: −20°C to 45°C (−4°F to 113°F) Charging temp: −20°C to 45°C (−4°F to 113°F) Storage temp: −20°C to 45°C (−4°F to 113°F) (optimum: −20°C to 45°C(68°C to 86°F)) |
| Altitude | ≤3,000 m (9,842 ft.) |
| IP Rating | IP54 |
EcoFlow Smart Home Panel 2 Specifications:
| Brand | EcoFlow |
| Model | EcoFlow Smart Home Panel 2 |
| AC voltage (nominal) | 120V/240V |
| Feed-in type | Split phase |
| Maximum current rating | 100A panel / 90A storage |
| Busbar rating | 120A |
| Maximum input short-circuit current | 10kA |
| Operating temperature | −30 to 50℃ (−22°F to 122°F) |
| Operating humidity | Up to 100% RH, condensing |
| Altitude | ≤ 2000 m (6562 ft) |
| Overvoltage category | IV |
| Enclosure type |
NEMA TYPE 3R (distribution panel) NEMA TYPE 1 (battery connection box) |
| Number of load branches | 12 |
| Communication | Ethernet, Wi-Fi, Bluetooth |
| Wi-Fi |
Frequency range: 20M: 2412 - 2472 MHz / 40M: 2422- 2462 MHz Maximum output power: ≤ 16.5 dBm |
| Bluetooth |
Frequency range: 2402-2480MHz Maximum output power: ≤ 8.76 dBm |
| Weight | 52.9 lb (24 kg) |
| Dimensions | 32.4 x 14.9 x 6.7 in. (823.7 x 379 x 170 mm) |
| Compatible generator | 120V single phase / 240V split phase (3-12kW) |
