EcoFlow DELTA Pro Ultra X Inverter
Description
Reliable Backup Power for Homes, Off-Grid Systems, and Critical Equipment
Built for the EcoFlow DELTA Pro Ultra system, delivering stable high-output power with scalable battery and solar support
Designed for Real-World Power Needs
The DELTA Pro Ultra X Inverter converts DC battery power into stable AC electricity for everyday use. It supports high-demand appliances such as refrigerators, HVAC systems, and tools, depending on system size. This makes it suitable for both residential backup and off-grid operation where reliability is essential.
Scalable System That Grows Over Time
The inverter connects with EcoFlow’s 6kWh battery modules, allowing the system to expand from a smaller backup setup to a full-home solution. This modular approach avoids replacing existing equipment as energy needs increase, which is useful for long-term planning or phased installations.
Fast Response During Outages
With a transfer time under 20 milliseconds, the system switches to backup power quickly. This helps maintain operation of critical devices such as routers, medical equipment, and work systems without interruption.
Flexible Charging and Integration
The system supports multiple charging sources, including grid power, solar panels, and generators. This flexibility allows it to operate in different environments—from urban homes to remote locations—while maintaining access to power even when one source is unavailable.
Monitoring, Control, and Daily Use
Through Wi-Fi and Bluetooth connectivity, the inverter integrates with the EcoFlow app. This allows users to monitor usage, manage loads, and adjust settings remotely. It also simplifies setup and ongoing system management.
What You Receive and System Components
The inverter is supplied with essential components for installation and operation:
- DELTA Pro Ultra X inverter
- Connection cables
- Mounting components
- User documentation
It works alongside EcoFlow battery modules and supports:
- High AC output for appliances
- Expandable energy storage
- Fast UPS switching
- Solar charging integration
- App-based system control
Technical Specifications
Dimensions
- 26.6 × 18.7 × 9.1 in (675 × 475 × 230 mm)
Weight
- 76 lbs. (34.0 kg)
Durability
- Operating Temperature: −4°F to 122°F (−20°C to 50°C)
- IP Rating: IP54
Included
- DELTA Pro Ultra X Inverter (x1)
- PV Switch Box (x1)
- AC Charging Cable (x1)
- Battery Connection Cable (2.46 ft) (x1)
- DELTA Pro Ultra / Ultra X Portable Stand (x1)
- Side Mount Caster (x4)
- Solar Panel MC4 Disconnect Tool (x1)
- User Manual & Warranty Card (x1)
Battery
- Power Output: 12 kW (up to 36 kW with 3 inverters)
- Voltage: 120/240V split-phase, 120/208V
- Battery: LiFePO₄, 6.1 kWh module, expandable up to ~180 kWh
- Solar Input: up to 30 kW (system), ~80–500V / 15A per input
- UPS Switch Time: < 20 ms
- Outputs: 120V (20A), 120/240V (30A, 50A)
Additional
- Noise level: <30 dB at 0.5 m (ambient temperature 25 °C, 4 kW output)
- Connectivity: Wi-Fi + Bluetooth
- Scalability: up to 3 inverters in parallel
- Compatibility: solar panels, grid, generator, Smart Home Panel





























































