EcoFlow Delta Pro Ultra X Powerstation with 5x Ultra X Expansion Batteries | 30,720 Watt Hours

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While we offer shipping for EcoFlow products to Hawaii, Alaska, and Puerto Rico, please note that EcoFlow does not provide official after-sales services, warranty coverage, or technical support in these regions. For any service-related inquiries regarding EcoFlow products shipped outside the U.S. mainland, please contact Wellbots directly. We recommend purchasing a CPS Accidental Warranty to protect your purchase when shipping to these locations, as it will ensure coverage in the event of damage or defects. Wellbots is solely responsible for all customer service, warranty claims, and support related to shipments to these regions.


EcoFlow DELTA Pro Ultra X Powerstation with 5 × Ultra X Expansion Batteries

Product Description

The EcoFlow DELTA Pro Ultra X Powerstation combined with five Ultra X Expansion Batteries delivers approximately 30.7 kWh of energy storage, making it a powerful and scalable solution for whole-home backup, high-demand off-grid systems, and business continuity applications.

The DELTA Pro Ultra X inverter provides a strong 12 kW output foundation, supported by modular, stackable batteries that use advanced LiFePO₄ chemistry for stability, longevity, and safety. With five Ultra X Expansion Batteries connected, this system offers extended backup runtime, higher load support, and a flexible, future-proof energy solution.

Key Specifications

DELTA Pro Ultra X Inverter

  • Output Power: 12 kW base

  • System Capacity Range: Expandable up to 180 kWh

  • Switchover Time: Less than 20 ms when used with compatible EcoFlow smart power equipment

  • Solar Input: Supports high-voltage solar arrays (up to approximately 10 kW of solar input)

  • Voltage Support: 120 V / 240 V split-phase

  • System Design: Modular, stackable architecture with intelligent energy management

  • Battery Chemistry Compatibility: LFP (LiFePO₄)

Ultra X Expansion Batteries (5 Units Included)

  • Usable Capacity per Module: 6,144 Wh (6.144 kWh)

  • Total System Capacity: 30,720 Wh

  • Battery Chemistry: LiFePO₄ for long cycle life and enhanced safety

  • Protection Systems: Dual BMS with three-level safety architecture

  • Expansion Capability: Additional batteries can be stacked as needed

  • Compatibility: Designed exclusively for the DELTA Pro Ultra X ecosystem

What’s in the Box

DELTA Pro Ultra X Powerstation

  • 1 × DELTA Pro Ultra X Inverter

  • Connection Cables

  • User Manual & Warranty Card

Ultra X Expansion Batteries

  • 5 × Ultra X Expansion Battery Modules

  • Battery Connection Cables

  • User Manuals & Warranty Cards

Bundle Benefits & Use Cases

  • Large-Scale Backup Power
    Approximately 30,7 kWh of stored energy supports vital home systems, appliances, and essential circuits for extended outages.

  • High Output Capacity
    The 12 kW inverter handles demanding loads including HVAC, heavy appliances, and simultaneous multi-circuit operation.

  • Modular & Scalable
    Add more battery modules or additional inverters as your home or business energy needs grow.

  • Long-Lasting Battery Technology
    EV-grade LiFePO₄ cells provide excellent durability, safety, and thousands of charge cycles.

  • Integration-Ready
    Works seamlessly with EcoFlow ecosystem components such as high-voltage solar, generator input (with FlowMaster), or smart home power control systems.