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

How does the EcoFlow DELTA Pro Ultra Inverter ensure uninterrupted power during outages?

The EcoFlow DELTA Pro Ultra Inverter is ideal for off-grid living due to its high solar input capacity and expandable battery system. Each inverter can handle up to 5.6kW of solar input, allowing for efficient energy collection even in remote locations. With the ability to connect up to 15 stackable batteries, users can expand their storage from 6kWh to 90kWh, providing over 30 days of backup power. This scalability ensures that off-grid homes can maintain energy independence while adapting to changing power needs.

What makes the EcoFlow DELTA Pro Ultra Inverter suitable for off-grid living?

The EcoFlow DELTA Pro Ultra Inverter is ideal for off-grid living due to its high solar input capacity and expandable battery system. Each inverter can handle up to 5.6kW of solar input, allowing for efficient energy collection even in remote locations. With the ability to connect up to 15 stackable batteries, users can expand their storage from 6kWh to 90kWh, providing over 30 days of backup power. This scalability ensures that off-grid homes can maintain energy independence while adapting to changing power needs.

Can the EcoFlow DELTA Pro Ultra Inverter handle high-demand appliances?

Yes, the EcoFlow DELTA Pro Ultra Inverter is capable of powering high-demand appliances. With a massive output power of 7.2kW per inverter, it can run appliances like a 3-ton central air conditioner or a 1 HP well pump. For even greater power needs, the system can be expanded to 21.6kW by connecting three inverters, making it suitable for whole-home backup solutions. This flexibility is essential for users who require reliable power for large appliances during outages or in off-grid settings.

How does the EcoFlow DELTA Pro Ultra Inverter's solar charging capability benefit users?

The inverter's solar charging capability allows users to harness renewable energy efficiently. With a solar input capacity of up to 5.6kW per inverter, users can capture a full day’s energy in just one hour of optimal sunlight conditions. This rapid charging capability reduces reliance on grid power and supports sustainable energy practices. For those interested in setting up a solar-powered home, our Energy: Solar Panels & Generators collection offers a range of compatible products.

What are the environmental operating conditions for the EcoFlow DELTA Pro Ultra Inverter?

The EcoFlow DELTA Pro Ultra Inverter is designed to operate in a wide range of environmental conditions. It is rated for temperatures from -4°F to 113°F and has an IP54 rating, making it dust and splash resistant. This rugged build ensures reliable performance in extreme weather conditions, whether you're using it in a desert environment or during a snowstorm. However, users should still consider additional protective measures in harsh climates to prolong the unit's lifespan.

How does the EcoFlow app enhance the functionality of the DELTA Pro Ultra Inverter?

The EcoFlow app significantly enhances the functionality of the DELTA Pro Ultra Inverter by providing remote monitoring and control features. Users can connect via Bluetooth, Wi-Fi, or 4G to manage their energy system in real-time. The app allows for circuit-level control, especially when paired with the Smart Home Panel 2, enabling users to optimize energy usage and monitor performance metrics. This level of control is particularly beneficial for those managing complex energy systems in off-grid or emergency scenarios.

What are the charging options available for the EcoFlow DELTA Pro Ultra Inverter?

The EcoFlow DELTA Pro Ultra Inverter offers multiple charging options to ensure versatility and convenience. It supports ultra-fast charging from AC, solar, EV piles, and generators, with speeds up to 8800W, allowing two batteries to charge fully in just 2 hours. This flexibility is crucial during emergencies when power sources can be unpredictable. For those exploring different power solutions, our EcoFlow Home Power Systems collection provides additional options.

What are the limitations of the EcoFlow DELTA Pro Ultra Inverter in a long-term power outage?

While the EcoFlow DELTA Pro Ultra Inverter is robust, it does have limitations in prolonged outages. Its effectiveness relies heavily on the availability of solar input or other charging sources. In scenarios where solar exposure is minimal, or alternative charging options are unavailable, users may need to ration power usage. Additionally, the initial setup cost for a fully integrated system with multiple inverters and batteries can be significant, which may be a consideration for those on a budget.

How does the silent operation mode benefit users of the EcoFlow DELTA Pro Ultra Inverter?

The silent operation mode of the EcoFlow DELTA Pro Ultra Inverter is a valuable feature for maintaining peace and quiet. It operates at 0 dB for loads under 2000W for up to 30 minutes, making it ideal for nighttime or indoor use where noise can be disruptive. This feature is particularly beneficial in residential settings or during camping trips where maintaining a quiet environment is preferred. However, users should note that this mode is limited to lower power demands and shorter durations.

What additional components are needed to create a complete home energy system with the EcoFlow DELTA Pro Ultra Inverter?

To create a complete home energy system with the EcoFlow DELTA Pro Ultra Inverter, additional components such as the DELTA Pro Ultra Battery and Smart Home Panel 2 are required. These components work together to provide scalable energy solutions and circuit-level control. The Smart Home Panel 2 integrates with your home's electrical system, allowing for seamless energy management. For more detailed guidance on setting up an energy-independent home, consider exploring our Ultimate Tactical Solar Power Guide.