EcoFlow  |  SKU: EFDeltaProUltra-US

EcoFlow - DELTA Pro Ultra Inverter, 7.2kW Solar-Ready

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Description

The EcoFlow DELTA Pro Ultra Inverter is the core of EcoFlow’s most powerful and intelligent home energy solution—designed to deliver uninterrupted, scalable, and solar-ready whole-home backup.

Whether you're upgrading your off-grid setup or preparing for long-term outages, the DELTA Pro Ultra Inverter brings plug-and-play simplicity, industrial-grade durability, and massive output capacity to your energy security plan. Pair with the DELTA Pro Ultra Battery and Smart Home Panel 2 for a complete ecosystem.

 

 

  • Massive Output Power: 7.2kW per inverter, expandable up to 21.6kW with three units—capable of running high-demand appliances like a 3-ton central AC and 1 HP well pump.
  • Expandable Battery Capacity: From 6kWh to 90kWh using up to 15 stackable batteries, offering over 30 days of essential backup power for the average home (based on 2kWh/day usage).
  • High Solar Input: 5.6kW per inverter with up to 16.8kW across three inverters—gain a full day’s energy in just one hour of solar charging.
  • Advanced UPS Protection: 0ms online UPS ensures seamless backup for sensitive electronics. Backup UPS with sub-20ms switch-over also available.
  • Ultra-Fast Charging: Recharge using AC, solar, EV pile, or generator. Supports industry-leading speeds up to 8800W to charge two batteries in just 2 hours.
  • Silent Operation: Whisper-quiet 0 dB mode powers loads under 2000W for up to 30 minutes without any audible noise—perfect for nighttime or indoor use.
  • Smart Energy Management: Control and monitor via the EcoFlow app using Bluetooth, Wi-Fi, or 4G. Circuit-level control when paired with Smart Home Panel 2.
  • Rugged and Weather-Resistant: IP54 rated, -4°F to 113°F operating temp, and 290V high voltage tolerance—ready for extreme environments.

System Compatibility:

  • Must be used with the DELTA Pro Ultra Battery
  • Expandable up to 3 inverters (21.6kW system output)
  • Pairs with Smart Home Panel 2 for home integration

 

 

Inverter Specifications:

  • AC Continuous Output: 7200W (per inverter), 21.6kW (system)
  • AC Surge Output: 10.8kW
  • Solar Charging Input: 5600W total (4000W high PV, 1600W low PV)
  • UPS: 0 ms online / < 20 ms backup
  • Battery Chemistry: LFP, 3500 cycles to 80%
  • Operating Temp: -4°F to 113°F
  • IP Rating: IP54 (dust & splash resistant)
  • Inverter Dimensions: 27.2 x 18.9 x 8.4 in
  • Inverter Weight: 70 lbs (31.7 kg)
  • Connectivity: Wi-Fi, Bluetooth, 4G
  • Warranty: 5 Years

Perfect For:

  • Whole-home backup & energy independence
  • Off-grid cabins, garages, or disaster-ready shelters
  • Professional solar installers & home system integrators
  • RV/vanlife power systems with scalable needs

What's Included:

  • EcoFlow DELTA Pro Ultra Inverter
  • Installation mat
  • *Note: Connection cable to Smart Home Panel 2 sold separately

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Frequently Asked Questions

What is the primary function of the EcoFlow DELTA Pro Ultra Inverter?

The EcoFlow DELTA Pro Ultra Inverter is designed to provide a robust and scalable energy solution for whole-home backup. It serves as the core component of EcoFlow’s advanced energy systems, offering a massive output capacity of 7.2kW per inverter. This makes it suitable for powering high-demand appliances such as central air conditioning units and well pumps. Its solar-ready design allows it to integrate seamlessly with solar panels, making it ideal for both off-grid setups and long-term outage preparations.

How does the EcoFlow DELTA Pro Ultra Inverter handle solar input?

The inverter supports high solar input capabilities, with each unit accepting up to 5.6kW of solar power. When expanded to three inverters, the system can handle up to 16.8kW, allowing users to harness a full day’s worth of energy in just one hour of optimal solar charging conditions. This feature is particularly beneficial for those looking to maximize their renewable energy usage and reduce reliance on grid power.

What are the benefits of the EcoFlow DELTA Pro Ultra Inverter's UPS protection?

The EcoFlow DELTA Pro Ultra Inverter includes advanced UPS protection with a 0ms online switch-over time. This ensures seamless power delivery to sensitive electronics during outages, preventing data loss or damage. Additionally, the sub-20ms backup switch-over provides reliable protection for less critical devices. This feature is crucial for maintaining the functionality of home offices, medical equipment, and other essential systems during unexpected power interruptions.

Can the EcoFlow DELTA Pro Ultra Inverter be used in extreme weather conditions?

Yes, the EcoFlow DELTA Pro Ultra Inverter is built to withstand extreme weather conditions. It has an IP54 rating, making it resistant to dust and splashes, and it operates effectively in temperatures ranging from -4°F to 113°F. This durability ensures reliable performance in both hot and cold climates, making it a versatile choice for various environments, including off-grid cabins and disaster-ready shelters.

How does the EcoFlow DELTA Pro Ultra Inverter contribute to energy independence?

The EcoFlow DELTA Pro Ultra Inverter plays a key role in achieving energy independence by enabling a scalable and renewable power solution. By integrating with solar panels and expandable battery systems, it allows users to generate and store their own electricity. This reduces dependence on the grid and provides a sustainable backup during outages. The system's ability to expand up to 21.6kW with three inverters further enhances its capacity to support larger energy needs.

What are the limitations of the EcoFlow DELTA Pro Ultra Inverter?

While the EcoFlow DELTA Pro Ultra Inverter offers substantial power and flexibility, it does have limitations. It requires connection to the DELTA Pro Ultra Battery for operation and is not a standalone unit. Additionally, the initial setup may require professional installation, especially when integrating with a Smart Home Panel 2. Users should also consider the weight and dimensions of the inverter, which may impact portability and installation options.

How does the EcoFlow DELTA Pro Ultra Inverter manage charging and power distribution?

The inverter features ultra-fast charging capabilities, supporting up to 8800W to charge two batteries in just two hours. This rapid charging is facilitated through various inputs, including AC, solar, EV piles, and generators. The system’s smart energy management allows users to control and monitor power distribution via the EcoFlow app, ensuring efficient use of stored energy and real-time adjustments to meet changing power demands.

What makes the EcoFlow DELTA Pro Ultra Inverter suitable for professional solar installations?

The EcoFlow DELTA Pro Ultra Inverter is ideal for professional solar installations due to its high output and scalability. It can be integrated into complex solar systems with ease, thanks to its compatibility with the Smart Home Panel 2 and expandable battery capacity. This adaptability allows solar installers to tailor solutions to specific client needs, whether for residential, commercial, or off-grid applications, ensuring reliable and efficient energy management.

Is the EcoFlow DELTA Pro Ultra Inverter quiet during operation?

Yes, the EcoFlow DELTA Pro Ultra Inverter operates silently under certain conditions. It features a 0 dB mode that powers loads under 2000W for up to 30 minutes without any audible noise. This is particularly beneficial for nighttime use or in environments where noise reduction is a priority. However, for higher loads, some operational noise may be present, which is common for high-capacity inverters.

What are the connectivity options for the EcoFlow DELTA Pro Ultra Inverter?

The EcoFlow DELTA Pro Ultra Inverter offers multiple connectivity options, including Wi-Fi, Bluetooth, and 4G. These options allow users to monitor and control the inverter remotely via the EcoFlow app. This connectivity is essential for managing energy usage, receiving system updates, and troubleshooting remotely, providing users with flexibility and control over their energy systems from virtually anywhere.