EcoFlow DELTA Pro Ultra X Inverter and One DELTA Pro Ultra X Battery

Free Shipping to all 48 states

US Territory Shipping

• We can help you ship qualifying items to Hawaii, Alaska, Puerto Rico, the U.S. Virgin Islands, and other U.S. territories.

• These locations are not eligible for free shipping.

• Typical shipping costs range from $30–$400, depending on weight, size, and—if applicable—lithium battery regulations.

• Please message us for an exact quote before purchasing.
  
  

Warranty Coverage

• 48 Contiguous U.S. States: Two- to five-year standard factory warranty applies to items shipped within the 48 contiguous U.S. states (duration depends on the product).

• U.S. Territories: Territory customers receive the same five-year factory warranty.

• If a replacement is needed, the original item must return to the U.S. 48 hub it shipped from, and the replacement will then be forwarded back to the territory.

• This round-trip process typically takes 4–5 weeks, depending on carrier schedules and routing, and all shipping for this service is included at no additional cost.

• Only qualifying items over $400 include free replacement-shipping coverage for up to 5 years when the original shipping was handled separately for locations outside the contiguous U.S.

We are logistics experts with 20+ years  — your shipment is handled with precision and care.

SKU: EFDELTAPROUX-US+EFDELTAPROUXEB

Product Description

The EcoFlow DELTA Pro Ultra X Inverter and one matching battery deliver a powerful and future ready solution for whole home backup, renewable energy integration, and high demand electrical applications. Designed for users who require serious output and scalable storage, this system combines advanced inverter technology with long life lithium iron phosphate battery chemistry to ensure dependable power when it matters most.

At the core of the system is the EcoFlow DELTA Pro Ultra X Inverter, engineered to support high wattage loads with exceptional efficiency and stability. Whether protecting your home during grid outages or forming the backbone of a solar powered energy setup, this configuration offers flexibility without sacrificing safety or performance. The included battery expands usable capacity, making it suitable for extended runtimes and critical loads.

Built for Whole Home and Mission Critical Power

The EcoFlow DELTA Pro Ultra X Inverter is designed to scale with your needs. A single inverter delivers substantial output, while the ability to integrate additional inverters allows the system to grow alongside your energy requirements. This makes it an excellent choice for residential backup, workshops, farms, and light commercial environments where uninterrupted power is essential.

With true online UPS functionality, the system ensures a near instantaneous transfer when grid power is lost. Sensitive electronics such as servers, medical equipment, and smart home systems remain protected. The EcoFlow DELTA Pro Ultra X Inverter provides peace of mind by maintaining continuous power without disruption.

Advanced Battery Technology and Safety Architecture

The included battery utilizes EV grade lithium iron phosphate cells known for thermal stability and extended cycle life. This chemistry supports thousands of charge cycles while maintaining consistent performance over years of use. The EcoFlow DELTA Pro Ultra X Inverter works in harmony with the battery through a dual battery management system that monitors voltage, temperature, and current in real time.

Multiple layers of protection are built into the system to guard against overcurrent, overheating, and abnormal operating conditions. A proprietary cooling structure further enhances reliability by maintaining optimal internal temperatures during high load operation. Together, these features ensure that the EcoFlow DELTA Pro Ultra X Inverter remains dependable even under demanding conditions.

Solar Ready and Expandable Energy Storage

For users investing in renewable energy, the system supports high capacity solar input. When paired with solar panels, it can store energy during the day and deliver power at night or during outages. This flexibility reduces reliance on the grid while maximizing the value of solar generation.

Energy storage is fully expandable, allowing additional batteries to be added as needs increase. Starting with one battery provides a strong foundation, while future expansion enables longer runtimes and greater independence. The EcoFlow DELTA Pro Ultra X Inverter is designed to grow with your energy strategy rather than limit it.

Key Benefits

• High output inverter suitable for whole home backup
• Scalable system supporting multiple inverters
• Online UPS functionality for sensitive electronics
• Solar ready design for renewable energy integration
• Long life lithium iron phosphate battery technology

Technical Facts

• Base inverter output starting at 12kW with expansion capability up to 36kW using multiple inverters
• Solar input support from 10kW up to 30kW depending on configuration
• Online UPS transfer time of approximately 10 milliseconds
• Expandable battery capacity with each battery providing approximately 6144Wh
• EV grade lithium iron phosphate battery cells
• Dual battery management system with three level safety architecture
• App based monitoring and control through EcoFlow ecosystem

What’s Included

• EcoFlow DELTA Pro Ultra X Inverter
• One EcoFlow DELTA Pro Ultra X Smart Battery
• User documentation and setup guidance

Frequently Asked Questions

• Is this system suitable for whole home backup
Yes, it is designed to support large loads and can be expanded to power most or all household circuits.

• Can additional batteries be added later
Yes, the system is fully expandable to increase total energy storage.

• Does it support solar charging
Yes, it accepts high capacity solar input for renewable energy use.

• Is professional installation required
Installation requirements depend on local electrical codes and system configuration.