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.

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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

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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

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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 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.