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Description
xEcoFlow DELTA Pro Ultra X Inverter
12kW Continuous Output | 120/240V Dual Voltage | 10kW Solar Input | <10ms UPS | Up to 61.44kWh per Inverter | Up to 36kW with 3 Inverters
The EcoFlow DELTA Pro Ultra X Inverter is the high-performance power-conversion core of EcoFlow's next-generation whole-home backup system. Designed for whole-home energy backup, solar power, emergency preparedness, and energy independence, it delivers an impressive 12,000W of continuous AC output at 120/240V and can scale to 36kW when three inverters are connected in parallel. With support for up to 10kW of solar input, rapid AC charging, <10ms UPS operation, and expandable battery storage up to 61.44kWh per inverter, the DELTA Pro Ultra X Inverter provides a powerful foundation for demanding residential energy systems.
12kW of Whole-Home Power
The DELTA Pro Ultra X Inverter provides 12,000W of continuous AC output at 120/240V and 60Hz, giving it the power needed for demanding household applications. It can support compatible appliances and circuits including refrigerators, freezers, air conditioners, pumps, kitchen appliances, power tools, electronics, and other high-demand equipment.
For even larger energy requirements, up to three DELTA Pro Ultra X Inverters can operate in parallel, delivering up to 36kW of combined output.
120/240V Dual-Voltage Power
The DELTA Pro Ultra X Inverter is built for modern residential electrical systems with 120/240V output. This allows it to power both standard 120V household loads and compatible 240V equipment from the same energy system.
Its output configuration includes NEMA 5-20, NEMA L14-30, and NEMA 14-50 connections, providing flexibility for different household and high-power applications.
Up to 10kW of Solar Input
Harness renewable energy with an impressive 10,000W total solar input. The inverter provides two independent PV inputs, each supporting up to 80–500V and 15A, with up to 5000W per input.
This high solar capacity allows compatible solar arrays to rapidly replenish the connected battery system and makes the DELTA Pro Ultra X particularly well suited to homes seeking greater solar independence.
12.288kWh Standard Battery Capacity
The DELTA Pro Ultra X system is designed to work with compatible DELTA Pro Ultra X Batteries. A standard configuration includes two 6144Wh batteries, providing 12.288kWh of total energy storage.
The modular architecture allows you to start with a practical amount of storage and add batteries as your energy requirements increase.
Expand Up to 61.44kWh per Inverter
One DELTA Pro Ultra X Inverter can support up to 10 × 6144Wh batteries, providing a maximum capacity of 61.44kWh.
For larger whole-home systems, up to three inverters and 30 batteries can be combined, creating an enormous 184.32kWh total storage capacity.
This scalability makes the system suitable for everything from essential backup to large-scale residential energy storage.
<10ms UPS Backup
The DELTA Pro Ultra X Inverter provides <10ms UPS switching when operating as a standalone system, helping keep critical equipment powered during utility interruptions. With a compatible Smart Home Panel 3, EcoFlow specifies UPS switching of <20ms.
This makes the system suitable for sensitive electronics such as:
- Computers
- Networking equipment
- NAS systems
- Security systems
- Home-office equipment
- Communication equipment
Power Your Entire Home During an Outage
The high output and scalable battery capacity make the DELTA Pro Ultra X suitable for whole-home backup applications. When installed with compatible EcoFlow home-energy equipment, it can provide backup electricity to selected household circuits or larger portions of the home.
Instead of relying on gasoline generators and extension cords, homeowners can build a centralized battery-based backup system.
Fast 12kW AC Charging
The DELTA Pro Ultra X supports up to 12,000W of AC input power through a compatible 120/240V, 50A connection. This high charging capability allows the connected battery system to replenish much faster than conventional portable power stations.
The system also supports lower-power AC charging configurations, providing additional flexibility depending on the electrical setup.
Solar + Battery Energy Independence
The DELTA Pro Ultra X combines high-capacity battery storage with 10kW solar input, allowing homeowners to capture and store renewable energy for later use.
During periods of strong sunlight, compatible solar panels can replenish the batteries while powering household loads. Stored energy can then be used when solar production falls or during grid outages.
Advanced Energy Management
The DELTA Pro Ultra X is designed as a connected energy-management platform rather than simply an inverter. Its intelligent system monitors power flow between solar generation, batteries, household loads, and the electrical grid.
This enables more efficient management of stored energy and helps users make better use of available renewable power.
X-Guard Safety System
EcoFlow incorporates its X-Guard safety architecture into the DELTA Pro Ultra X ecosystem. The system uses extensive monitoring and protection technology to detect abnormal operating conditions involving the inverter, battery, cables, and connected loads.
EcoFlow describes features including circuit monitoring, connection monitoring, load isolation, temperature protection, and intelligent fault detection designed to help protect the overall energy system.
Intelligent Load Isolation
The DELTA Pro Ultra X continuously monitors voltage and current conditions across connected loads. When a fault is detected, the system can isolate problematic equipment while allowing critical loads to remain powered.
This provides an additional layer of protection for a whole-home energy system.
EV-Grade LFP Battery Ecosystem
The compatible DELTA Pro Ultra X batteries use LFP (LiFePOâ‚„) battery chemistry, selected for its durability, thermal stability, and suitability for long-term energy storage.
The modular battery architecture allows the inverter to support multiple battery units while maintaining a centralized energy-management system.
Quiet Operation
Despite its high power output, the DELTA Pro Ultra X is engineered for quiet operation. EcoFlow specifies a noise level of less than 30dB at 0.5 meters under stated test conditions.
This makes it considerably more suitable for residential environments than conventional fuel-powered generators.
IP54 Protection
The DELTA Pro Ultra X Inverter features an IP54 rating, providing protection against dust and water splashes when used according to EcoFlow's installation requirements.
This adds durability for residential energy installations and suitable protected environments.
Built for Extreme Temperatures
The inverter is designed to operate and be stored in temperatures ranging from approximately -20°C to 50°C (-4°F to 122°F). The compatible battery system supports operation and storage from approximately -20°C to 45°C (-4°F to 113°F).
This broad operating range allows the system to function across a variety of climates.
Power Multiple Devices and Circuits
The DELTA Pro Ultra X provides several AC output options for different applications, including:
- 2 × NEMA 5-20 — 120V, 20A
- 1 × NEMA L14-30 — 120/240V, 30A
- 1 × NEMA 14-50 — 120/240V, 50A
The inverter also provides a dedicated high-power connection supporting 120/240V, 50A.
Smart Home Integration
The DELTA Pro Ultra X can be integrated with EcoFlow's Smart Home Panel 3 to create a more comprehensive whole-home backup system.
The Smart Home Panel provides a centralized connection between the energy system and home circuits, enabling automatic backup functionality and intelligent power management.
Generator Compatibility
For extended outages or situations where solar generation is insufficient, the DELTA Pro Ultra X ecosystem can also work with compatible generator solutions.
EcoFlow's ecosystem supports generator integration so that stored energy can be replenished while the system continues providing power to connected loads.
Scalable from 12kWh to 184kWh
The DELTA Pro Ultra X is designed for homeowners who may need to expand their energy system over time.
A standard system provides 12.288kWh, while one inverter can scale to 61.44kWh. With three inverters and up to 30 compatible batteries, the overall system can reach 184.32kWh of storage.
This makes the platform suitable for long-duration backup and large residential energy requirements.
Power for Whole-Home Backup and Energy Independence
Whether you're preparing for extended blackouts, building a solar-powered home, reducing reliance on the grid, or creating a high-capacity emergency power system, the EcoFlow DELTA Pro Ultra X Inverter provides the high-output conversion and energy-management capabilities required for demanding applications.
With 12kW continuous output, 120/240V power, 10kW solar input, <10ms standalone UPS, and up to 61.44kWh of battery storage per inverter, it provides a scalable foundation for modern home energy management.
Designed for Long-Term Energy Storage
The DELTA Pro Ultra X is built around a modular architecture that separates the inverter from the battery modules. This allows homeowners to expand storage capacity without replacing the primary inverter.
The result is a flexible system that can evolve from basic backup power into a comprehensive whole-home energy solution.
What's Included
- 1 × EcoFlow DELTA Pro Ultra X Inverter
- 1 × EcoFlow DELTA Pro Ultra X Portable Stand
- Required connection/charging accessories as specified for the SKU
- User Documentation
- Warranty Documentation
Technical Specifications
- Product Type: Whole-Home Power System Inverter
- AC Output: 12,000W
- AC Voltage: 120/240V, 60Hz
- Maximum Combined Output: Up to 36kW with 3 parallel inverters
- AC Input: Up to 12,000W
- AC Input Rating: 100/200–120/240V, 50A
- Solar Input: Up to 10,000W
- PV Inputs: 2
- PV Voltage: 80–500V
- PV Current: 15A per input
- Maximum PV Input per Port: 5000W
- Standard Battery Capacity: 12.288kWh with 2 × 6144Wh batteries
- Maximum Capacity per Inverter: 61.44kWh
- Maximum System Capacity: 184.32kWh with 3 inverters
- Battery Chemistry: LFP
- UPS: <10ms standalone; <20ms with Smart Home Panel 3
- AC Outlets: 2 × NEMA 5-20, 1 × NEMA L14-30, 1 × NEMA 14-50
- Noise Level: <30dB at 0.5m under specified conditions
- IP Rating: IP54
- Inverter Operating/Storage Temperature: -20°C to 50°C
- Dimensions: Approx. 675 × 475 × 230mm
- Inverter Weight: Approx. 34.5kg / 76.1 lbs
- Warranty: 5 years
5-Year Warranty
The EcoFlow DELTA Pro Ultra X Inverter is backed by a 5-year warranty, providing added peace of mind for a long-term whole-home energy investment. Combined with its 12kW output, 10kW solar input, scalable battery architecture, advanced safety systems, <10ms UPS capability, and 120/240V dual-voltage power, it is designed to provide dependable energy management and backup power for years to come.
Shipping & Return
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Why Buy From Us
xWhy Buy From Turbo Genny
At Turbo Genny, we specialize in premium portable power and energy solutions designed for real-world needs—from home backup and emergencies to RV travel, off-grid living, and outdoor adventures. Our mission is simple: make reliable, clean power easy to buy, easy to understand, and easy to trust.
When you shop with Turbo Genny, you’re not just purchasing a product—you’re choosing a knowledgeable partner committed to long-term support and customer satisfaction.
We Put Expertise First
Power stations and solar generators are not one-size-fits-all. Our team understands the technical details behind capacity, output, expansion, and compatibility, and we’re here to help you choose the right solution for your specific needs. Whether you’re powering a home during outages, running appliances in an RV, or building an off-grid setup, we provide expert guidance before and after your purchase.
You’ll always have access to real people who know the products—not scripted responses.
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Turbo Genny is an authorized retailer for every brand we sell, including leading names in portable power and energy storage. That means:
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From expert advice and authorized products to fast shipping and dependable support, Turbo Genny is built to be a trusted destination for portable power and energy solutions. We’re here to help you power confidently—today and for years to come.
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