Delta 2 Ultra + 4 Batteries 24,576kWh, NO US SALES TAX!, Free Shipping!
ECOFLOW DELTA PRO ULTRA: THE ULTIMATE IN UNBREAKABLE POWER FOR YOUR HOME OR OFF-GRID LIVING
”LIKE A TESLA POWERWALL ON WHEELS.” - CNET
Introducing EcoFlow DELTA Pro Ultra, the world's first expandable ecosystem for whole-home backup power and off-grid living. This revolutionary product goes beyond just being a portable power station; it's a complete energy management system that can power your entire home during outages and provide clean, renewable energy for everyday use.
WHAT'S NEW WITH THE DELTA PRO ULTRA?
(LITERALLY) RUN YOUR ENTIRE HOME
One 7200W DELTA Pro Ultra unit can run your entire home, including a central air conditioner (Locked Rotated Amps [LRA] up to 120A).
POWER YOUR HOME UP TO A MONTH
The DELTA Pro Ultra unit has a scalable capacity up to a massive 90kWh, which has the potential to power your home for up to a month.
1 HOUR OF SOLAR = 1 DAY OF USE
It supports a plug-and-play home solar system of 5.6kWh - 16.8kWh (per inverter with 5.6kWh input) solar input, designed for personal customization.
10-20 YEARS OF USAGE
Charge and discharge up to 3,500 times and still retain 80% of the battery capacity.
CHARGE DELTA PRO ULTRA 8 DIFFERENT WAYS
- Smart Home Panel 2
- AC Charging
- EV Charging Pile
- EcoFlow Dual Fuel Smart Generator
- Gasoline Generator
- High PV Solar
- Low-PV Solar
- Multiple Charging Methods
ECOFLOW DELTA PRO ULTRA + SMART HOME PANEL 2: THE WORLD'S FIRST SMART HYBRID WHOLE HOME BACKUP
With DELTA Pro Ultra and the EcoFlow Smart Home Panel 2, when the grid goes down, your power stays on. Your system can control every appliance to give you the best Power Independence plan during outages. And with its stackable design, you can easily expand DELTA Pro Ultra storage in minutes, making it a perfect fit for garages or closets.
ENJOY MONTH-LONG POWER SECURITY
Enjoy an uninterrupted power backup experience with automatic switch-over, energy consumption monitoring, and lower electricity bills. 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.
ECOFLOW DELTA PRO ULTRA WARRANTY
The EcoFlow DELTA Pro Ultra has a 5-year warranty, with its LFP batteries lasting for as long as 10 years with up to 3,500 cycles.
WHAT'S INCLUDED
DELTA PRO ULTRA INVERTER BOX
- 1 x DELTA Pro Ultra Inverter (70 lbs)
- 1 x Portable Stand + 4 x Wheels
- 1 x Assembly/Disassembly Tool
- 1 x Solar Low-PV Charging Cable
- 1 x AC Charging Cable C-20
- 1 x Quick-Start Guide
- 1 x Warranty Card
DELTA PRO ULTRA BATTERY BOX
- 1 x DELTA Pro Ultra Battery (116 lbs)
- 1 x Inverter/Battery Connection Cable
- 1 x Safety Guide
FREQUENTLY-ASKED QUESTIONS
CAN AN ELECTRICAL APPLIANCE PLUG DIRECTLY INTO ECOFLOW DELTA PRO ULTRA?
Yes. EcoFlow DELTA Pro Ultra (Inverter + Battery) works as a standalone unit powering electrical appliances of up to 7200W. There are 11 outlets on the inverter, including NEMA 5-20, TT30, L14-30 supporting 30A, USB-C, and USB-A.
HOW MANY WAYS CAN ECOFLOW DELTA PRO ULTRA CONNECT TO A HOME?
There are 3 ways EcoFlow DELTA Pro Ultra can connect to a home:
- Inlet box
- Transfer switch
- EcoFlow Smart Home Panel 2
CAN ECOFLOW DELTA PRO ULTRA BE CHARGED USING AN ECOFLOW SMART GENERATOR?
The EcoFlow Dual Fuel Smart Generator can charge the EcoFlow DELTA Pro Ultra using an EcoFlow AC Charging Cable (NEMA 5-15P to C19).
EcoFlow DELTA Pro Ultra can not be charged using DC through an XT150 cable.
Third-party generators can charge EcoFlow DELTA Pro Ultra using the EcoFlow AC Generator Charging Adapter.
The EcoFlow Smart Generator can be switched on or off through the EcoFlow app.
CAN THE ECOFLOW DELTA PRO ULTRA CHARGE USING EXISTING ROOFTOP SOLAR?
Yes, it’s compatible with existing solar systems, including rooftop solar.* For each EcoFlow DELTA Pro Ultra Inverter, solar input can reach a maximum of 5600W (16.8kW with 3 inverters) with the following:
High voltage PV: 80-450V, 15A, 4000W Max
Low voltage PV: 30-150V, 15A, 1600W Max
*If you connect the EcoFlow DELTA Pro Ultra to PV system circuits installed on or in buildings, according to NEC regulations, the system shall include a rapid shutdown function to ensure operation safety and reduce shock hazards for emergency responders. If you wish to connect the EcoFlow DELTA Pro Ultra to PV system circuits, a pre-purchase consultation must be completed by a qualified electrician or installer.
CAN ECOFLOW DELTA PRO ULTRA/ECOFLOW SMART HOME PANEL 2 RUN WITHOUT THE ECOFLOW APP?
EcoFlow Smart Home Panel 2 requires the EcoFlow app to run. EcoFlow DELTA Pro Ultra works without the EcoFlow app, but it is recommended for convenience.
CAN THE ECOFLOW DELTA PRO ULTRA CONNECT TO THE ORIGINAL ECOFLOW SMART HOME PANEL?
No. You can purchase an EcoFlow Smart Home Panel 2 and an EcoFlow Double Voltage Hub - Power Input/Output (DELTA Pro) (connects 2 × EcoFlow DELTA Pro to EcoFlow Smart Home Panel 2) to replace the original EcoFlow Smart Home Panel and connect 2 × EcoFlow DELTA Pro Ultra and 2 × EcoFlow DELTA Pro at the same time to achieve a 21.6kW output.
WILL THE SMART HOME PANEL 2 WORK WITH A DELTA PRO?
If you connect one DELTA Pro, it will only get charged through the Smart Home Panel 2 - it will not discharge.
However, if you connect 2 DELTA Pro power stations with the Double Voltage Hub, they can charge and discharge with a maximum output of 7200W.
HOW MANY ECOFLOW DELTA PRO/ECOFLOW DELTA PRO ULTRA UNITS ARE SUPPORTED BY ECOFLOW SMART HOME PANEL 2?
EcoFlow Smart Home Panel 2 can connect to EcoFlow DELTA Pro and EcoFlow DELTA Pro Ultra. Up to 3 EcoFlow DELTA Pro Ultra Inverters can connect to EcoFlow Smart Home Panel 2, with each inverter allowing for 5 batteries. A total of 2 EcoFlow DELTA Pro units can connect to the EcoFlow Smart Home Panel 2 using the EcoFlow Double Voltage Hub - Power Input/Output (DELTA Pro).
DOES ECOFLOW DELTA PRO ULTRA WORK WITH AN EXISTING GRID-TIED SYSTEM THAT DOES NOT HAVE A BACKUP FEATURE?
Unfortunately, EcoFlow DELTA Pro Ultra cannot connect and feedback to the grid.
DOES A SINGLE ECOFLOW DELTA PRO ULTRA HAVE A 240V OUTPUT?
Yes, it does. Even if EcoFlow DELTA Pro Ultra is connected to 120V, it can output 240V.
CAN AN ECOFLOW DELTA PRO ULTRA BATTERY CHARGE WITHOUT THE ECOFLOW DELTA PRO ULTRA INVERTER?
No. The EcoFlow DELTA Pro Ultra Battery needs to be connected to an EcoFlow DELTA Pro Ultra Inverter to charge. EcoFlow DELTA Pro Ultra is not compatible with third-party inverters.
HOW LONG IS THE ECOFLOW DELTA PRO ULTRA WARRANTY?
EcoFlow Smart Home Panel 2 has a 10-year of quality assurance warranty. EcoFlow DELTA Pro Ultra has a 5-year warranty, with its LFP batteries lasting for as long as 10 years with up to 3500 cycles.
HOW LONG DOES IT TAKE TO INSTALL ECOFLOW SMART HOME PANEL 2?
EcoFlow Smart Home Panel 2's installation time may vary depending on the scope of work required and the current configuration of the circuits in your home. For most homes, EcoFlow Smart Home Panel 2 installs in 3-8 hours, which is similar to replacing a standard distribution box.
CAN I INSTALL THE ECOFLOW SMART HOME PANEL 2 BY MYSELF?
EcoFlow Smart Home Panel 2 must be installed by certified installers and electricians who have completed EcoFlow Smart Home Panel 2 product training.
WILL INSTALLING ECOFLOW SMART HOME PANEL 2 AND ECOFLOW DELTA PRO ULTRA AFFECT NEM 2.0?
No. Since EcoFlow DELTA Pro Ultra it won't affect NEM 2.0. It cannot be connected to NEM 2.0 rooftop photovoltaic systems, so a new system would need to be installed.
ECOFLOW DELTA PRO ULTRA SPECIFICATIONS
GENERAL SPECIFICATIONS |
|
| Model | EFYJ751-PCS-US |
| Battery Chemistry | LFP |
| Battery Capacity | 6144Wh, 102.4V |
| Scalability | Up to 90kWh, 21.6kW |
| UPS | 0-10ms |
| Net Weight | Inverter: 72.75 lbs Battery: 116.4 lbs |
| Product Dimensions | Inverter: 27.2 x 18.7 x 8.35 in Battery: 26 x 18 x 8 in |
| Packing Box Dimensions | 34.7 x 13.2 x 20.5 in |
| Warranty | Inverter: 5 years Battery: 5 years |
| 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 |
| 4G | Supported |
| Screen | Supported |
| Grid-Tied | Unsupported |
| Standby Power Consumption | <12W |
| Maximum Operating Altitude | 9842.5ft |
| Operating 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)) |
| Protection Level | IP54 |
| UPS | Backup UPS <20 ms; online UPS 0 ms |
| Noise | <30 dB |
OUTPUT SPECIFICATIONS |
|
| AC Output (20A) |
4 x AC Output Sockets, 120V, 20A Max Per Port |
| AC Output (30A) | 1 x AC Output Socket, 120V, 30A Max |
| 1 x NEMA L14-30 120/240V Split Phase Port | |
| USB Ports |
2 x USB-A: 5V⎓2.4A, 12W max per port, total 24W 2 x USB-C: 5/9/12/15/20V⎓5A, 100W max per port, total 200W |
| Anderson DC Port | 1 x Anderson DC Output Port, 12.6V, 30A, 378W Max |
| Infinity Port | 1 x Power Input/Output Port, 100-120V, 30A; Serves as both an AC input (for charging) and output (for connecting to the Smart Home Panel 2 or EV Charger) |
INPUT SPECIFICATIONS |
|
| Solar Input (high input port) | 1 x High-PV Input MPPT Port, 80-450V, 15A, 4000W Max |
| Solar Input (low input port) | 1 x Low-PV Input MPPT Port, 30-150V, 1600W Max |
| 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) |
| Modem | 1 x 4G Modem Port |