In the world of portable power stations, EcoFlow stands out as a leading brand, offering innovative solutions for energy independence. Among its top-tier models, the EcoFlow Delta Pro Ultra vs EcoFlow Delta Pro 3 dominate the market with their exceptional performance and cutting-edge features. Both are designed for heavy-duty use, including home backup, off-grid living, and industrial applications, but they cater to slightly different needs.
In this comprehensive comparison, we’ll dive into their features, performance, and capabilities to help you determine which model suits your energy requirements.
Contents
Overview of EcoFlow Delta Pro Ultra and EcoFlow Delta Pro 3
EcoFlow Delta Pro Ultra
The EcoFlow Delta Pro Ultra is a premium power station designed to deliver maximum power and scalability. It features an unmatched battery capacity and cutting-edge smart home integration, making it ideal for users with large-scale energy needs. Whether for home backup, professional use, or long-term off-grid setups, the Delta Pro Ultra offers unparalleled flexibility and performance.
EcoFlow Delta Pro 3
The EcoFlow Delta Pro 3 is an equally impressive portable power station, offering advanced features, exceptional capacity, and superior expandability. Built for versatility, it’s a top choice for whole-home energy backup, industrial-grade tasks, and eco-conscious users who prioritize efficiency and connectivity. With seamless integration options, the Delta Pro 3 is designed for the most demanding scenarios.
Differences Between EcoFlow Delta Pro Ultra vs EcoFlow Delta Pro 3
Below is a summary of the specifications:
Battery Capacity and Output Power
EcoFlow Delta Pro Ultra
The Delta Pro Ultra boasts a 3,600Wh LiFePO4 battery, expandable up to a staggering 30kWh with additional battery modules. Its continuous output of 3,600W and a surge capacity of 7,200W make it suitable for powering entire households, heavy-duty tools, and critical systems during extended outages or remote operations.
EcoFlow Delta Pro 3
The Delta Pro 3 offers a similar 3,600Wh LiFePO4 battery with expandability up to 25kWh. It also features a continuous output of 3,600W and a surge capacity of 7,200W, making it ideal for large appliances, HVAC systems, and demanding equipment. While its capacity is slightly lower than the Delta Pro Ultra, it still delivers exceptional performance.
Winner: The EcoFlow Delta Pro Ultra leads in scalability and total battery capacity, making it the better choice for users with extensive energy needs.

Portability and Design
EcoFlow Delta Pro Ultra
Weighing approximately 99 pounds, the Delta Pro Ultra features integrated wheels and a telescopic handle, making it portable despite its size. Its rugged construction ensures durability in challenging environments, while its sleek design integrates seamlessly into modern homes or industrial setups.
EcoFlow Delta Pro 3
The Delta Pro 3 matches the Delta Pro Ultra in weight and portability, also featuring wheels and an ergonomic handle for easy transportation. Its robust design allows it to withstand heavy use, whether for home, professional, or outdoor applications.
Winner: Both models offer comparable portability, but the Delta Pro Ultra edges out slightly with its expanded capacity options for users prioritizing scalability without sacrificing mobility.
Charging Speed and Options
EcoFlow Delta Pro Ultra
The Delta Pro Ultra supports ultra-fast charging, reaching 80% in just 1.9 hours and a full charge in approximately 3 hours via AC power. Its solar input capacity of 1,600W makes it a standout choice for renewable energy setups. Additionally, the Delta Pro Ultra includes EV station charging compatibility, enabling users to recharge at electric vehicle stations for faster and more convenient charging.
EcoFlow Delta Pro 3
The Delta Pro 3 also features rapid charging, achieving 80% in 1.9 hours and full charging in 3 hours. Its solar input capacity of 1,600W matches the Delta Pro Ultra, providing efficient recharging through renewable energy sources. EV station charging compatibility is also included, making it equally versatile in charging options.
Winner: Both models are evenly matched in charging speed and versatility, with the Delta Pro Ultra slightly ahead due to its larger expandable capacity.
Energy Efficiency and Battery Life
EcoFlow Delta Pro Ultra
The Delta Pro Ultra’s LiFePO4 battery offers over 3,500 charge cycles, ensuring exceptional longevity and reliability. Its advanced energy management system maximizes efficiency, making it a sustainable choice for users who require long-term energy independence.
EcoFlow Delta Pro 3
The Delta Pro 3 features the same LiFePO4 technology, delivering over 3,500 charge cycles. Its efficient design minimizes energy loss, making it an eco-friendly solution for both short-term and long-term applications. The slightly smaller expandability may limit its usefulness for extremely high-energy demands.
Winner: The EcoFlow Delta Pro Ultra excels in energy efficiency for large-scale setups, while the Delta Pro 3 remains a reliable option for most scenarios.
Connectivity and Smart Features
EcoFlow Delta Pro Ultra
The Delta Pro Ultra offers Wi-Fi and Bluetooth connectivity, allowing users to monitor and control the device via the EcoFlow app. Its integration with the EcoFlow Smart Home Panel enables seamless energy management for an entire household. Advanced IoT features, including real-time monitoring and smart load prioritization, make it a cutting-edge solution for tech-savvy users.
EcoFlow Delta Pro 3
The Delta Pro 3 also includes Wi-Fi and Bluetooth connectivity, providing full access to the EcoFlow app. Its smart home integration capabilities are identical to the Delta Pro Ultra, offering advanced energy monitoring, load prioritization, and automated controls for a connected energy system.
Winner: Both models are evenly matched in connectivity and smart features, with the Delta Pro Ultra maintaining a slight edge due to its expanded scalability.

Applications and Use Cases
EcoFlow Delta Pro Ultra
- Whole-Home Backup: Powers entire households, including HVAC systems and critical devices, during extended outages.
- Industrial Use: Supports heavy-duty equipment and professional-grade tools for demanding tasks.
- Off-Grid Living: Ideal for remote setups with high energy requirements, including long-term sustainability.
EcoFlow Delta Pro 3
- Home Backup: Reliable for powering essential appliances and systems during outages.
- Outdoor Adventures: Portable and versatile for camping, RV use, and tailgating.
- Professional Use: Handles heavy-duty tools and equipment for industrial applications.
Price and Value
EcoFlow Delta Pro Ultra
The Delta Pro Ultra is priced at a premium, reflecting its unmatched capacity, advanced features, and scalability. While the upfront cost is significant, its expandability and long-term value make it a worthwhile investment for users with extensive energy demands.
EcoFlow Delta Pro 3
The Delta Pro 3 is also priced as a premium product, offering excellent value for its capabilities. Its slightly lower capacity makes it more affordable than the Delta Pro Ultra, while still providing the advanced features and performance users expect from a top-tier power station.
Winner: The EcoFlow Delta Pro 3 is the better choice for budget-conscious buyers, while the Delta Pro Ultra provides superior value for large-scale and long-term applications.
Quick Rundown Of EcoFlow Delta Pro Ultra
Quick Rundown Of EcoFlow Delta Pro 3
Conclusion
Both the EcoFlow Delta Pro Ultra and EcoFlow Delta Pro 3 are exceptional portable power stations, but they cater to different energy needs:
Choose the EcoFlow Delta Pro Ultra if you need a premium, scalable solution for whole-home backup, industrial applications, or long-term off-grid living. Its unmatched expandability, advanced features, and cutting-edge integration make it the ultimate choice for users with extensive power demands.
Choose the EcoFlow Delta Pro 3 if you require a high-performance, reliable power station with advanced features but don’t need the extreme scalability of the Ultra. Its affordability and versatility make it an excellent choice for most users.
By carefully evaluating your energy requirements and budget, you can select the model that best fits your lifestyle and ensures reliable power for years to come. Both models reflect EcoFlow’s commitment to innovation and quality, guaranteeing satisfaction and performance in every scenario.