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Ecoflow Delta Pro Ultra X Powerstation with 3 x Ultra X Expansion Batteries | 18,432 Watt Hours

Ecoflow Delta Pro Ultra X Powerstation with 3 x Ultra X Expansion Batteries | 18,432 Watt Hours

Regular price $8,337.60 USD
Sale price $8,337.60 USD Regular price
SAVE 10% Sold out

Ecoflow Delta Pro Ultra X Powerstation with 3 x Ultra X Expansion Batteries | 18,432 Watt Hours

Regular price $8,337.60
Sale price $8,337.60 Regular price
SAVE 10% Sold out
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EcoFlow DELTA Pro Ultra X Powerstation with 3 × Ultra X Expansion Batteries

Product Description

The EcoFlow DELTA Pro Ultra X Powerstation combined with three Ultra X Expansion Batteries delivers approximately 18.4 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 three 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 (3 Units Included)

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

  • Total System Capacity: 18,432 Wh (18.432 kWh)

  • 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

  • 3 × Ultra X Expansion Battery Modules

  • Battery Connection Cables

  • User Manuals & Warranty Cards


Bundle Benefits & Use Cases

  • Large-Scale Backup Power
    Approximately 18.4 kWh of stored energy supports vital home systems, appliances, and essential circuits for extended grid interruptions.

  • 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.

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