Real Reviews from Real Users
Description
While we offer shipping for EcoFlow products to Hawaii, Alaska, and Puerto Rico, please note that EcoFlow does not provide official after-sales services, warranty coverage, or technical support in these regions. For any service-related inquiries regarding EcoFlow products shipped outside the U.S. mainland, please contact Wellbots directly. We recommend purchasing a CPS Accidental Warranty to protect your purchase when shipping to these locations, as it will ensure coverage in the event of damage or defects. Wellbots is solely responsible for all customer service, warranty claims, and support related to shipments to these regions.
EcoFlow DELTA Pro Ultra X
Whole-Home Power. Unbound.
12-36kW Output
High Power. High IQ.
DELTA Pro Ultra X scales from 12 to 36kW. With a new Adaptive Start algorithm, it intelligently identifies connected appliances and tailors startup for each, seamlessly handling surges up to 45kW and high-demand appliances like a 5-ton AC.
Get Through Any Outage
12-180kWh Capacity, Power That Lasts
Start with 12kWh. Scale instantly to 180kWh
with up to 30 plug-in expansion batteries, no tools, no hassle. Power grows with your needs.
The wide-body inverter and battery are a stand-alone, off-grid unit, no wall mounting required. Its flexible design allows for faster, simpler approval than grid-tied systems. The exclusive quick-connect makes plug-and-play with the Smart Home Panel 3 or Smart Gateway effortless.
Energy That Can Move With You
DIY Solar + Plug-and-Play Batteries
Smart & Reliable When It Matters Most
Auto-Recharging · 20ms Auto Switchover · 32 Circuits · Intelligent Control
Your 24/7 Money Saver
Here's a Typical Day of Savings
Day and night, the system intelligently shifts between solar, storage, and off-peak rates, maximizing every watt to get you the best deal. Here's what that might look like on a typical day of use.
Compatible with Existing Rooftop Solar
No Wasted Watts
With the EcoFlow Current Sense Transformer, every extra watt is redirected to your DELTA Pro Ultra X Smart Extra battery, never wasted or sold back to the grid for pennies.
The Highest Safety
Standards
The first EV-grade full-tab cells deliver higher capacity with lower resistance, less heat, and longer-lasting performance. 25% More Efficient power flow (thanks to lower resistance: 1.5 mΩ vs. 2 mΩ) 25% Less Self-Heating
What's in the box?
Specs
Standard Capacity
12.288kWh, 6144Wh x 2
Maximum Capacity with 1 inverter
61.440kWh, 6144Wh x 10
AC Output
12kW, 120/240V, 60Hz
Up to 36kW in 3 parallel units
Maximum Capacity with 3 inverters
184.32kWh, 6144Wh x 30
Net Weight (lb)
Inverter: 34.5±0.2kg（70.06±0.44 lb）
Battery: 50.5±0.2kg（111.3±0.44 lb）
Dimension (mm)
Inverter: 675 × 475 × 230 mm (26.6 × 18.7 × 9.06 in.)
Battery：660 × 455 × 204 mm (26 × 18 × 8 in.)
Battery Chemistry
LFP
Warranty
5 years
Screen
✓
AC Outlets
NEMA 5-20 (x2) 120V 20A
NEMA L14-30 (x1) 120/240V 30A
NEMA 14-50 (x1) 120/240V 50A
UPS
<10ms standalone, <20ms with Smart Home Panel 3
Rated AC Input Power
12kW,100/200-120/240V, 50A
DC Input
Total 10kW, 2 ports
80-500V/15A, 5000W Max Each
Noise Level
Noise level <30 dB at 0.5 m (ambient temperature 25 °C, 4 kW output)
IP Rating
IP54
Battery Temperature
Operating & Storage temp: -4°F to 113°F (-20°C to 45°C)
Inverter Temperature
Operating & Storage temp: -4°F to 122°F (-20°C to 50°C)
FAQ
Is Delta Pro Ultra X inverter compatible with Smart Home Panel 2?
No, you should use Smart Home Panel 3.
Can I plug in my Delta pro Ultra inverter with the Smart Home Panel 3?
Currently, it only supports connecting the DELTA Pro Ultra X via the EcoFlow Smart Inlet Box Connection Cable (5P8 Port to 5P8 Port) or connecting the DELTA Pro Ultra to the Smart Inlet Box (Smart Home Panel 2 Upgrade) via the EcoFlow Power Input/Output Cable. You can also connect the DELTA Pro Ultra X and the DELTA Pro Ultra simultaneously using the cables that meet the corresponding requirements. Currently, it does not support connecting the DELTA Pro 3. For future updates, please refer to the official information.
Are Delta Pro Ultra batteries working with the new Delta Pro Ultra X inverter?
Yes they are, make sure to follow Ecoflow’s instructions while installing them.
Payment & Security
Payment methods
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.
Security
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Product FAQs
The DELTA Pro Ultra X offers an output power ranging from 12 kW to 36 kW, with a surge capacity of up to 45 kW.
The DELTA Pro Ultra X starts with a capacity of 12 kWh and can be expanded up to 180 kWh by adding up to 30 plug-in expansion batteries.
No, the DELTA Pro Ultra X is a wide-body inverter and battery unit designed as a stand-alone, off-grid unit that does not require wall mounting.
The DELTA Pro Ultra X features an auto-switchover time of 20 ms, ensuring seamless power transition during outages.