EcoFlow DELTA Pro Ultra X Battery 6.144kWh LiFePO4 Expansion Module

EcoFlow DELTA Pro Ultra X Battery Module - 6.144kWh LiFePO4 Expansion

The DELTA Pro Ultra X Battery Module delivers 6.144kWh of premium LiFePO4 energy storage for existing DELTA Pro Ultra X inverter systems. This expansion battery connects directly to your inverter, doubling baseline capacity and enabling scalable configurations from 12.288kWh to 180kWh across multi-inverter installations.

Core Battery Specifications

• Capacity: 6.144kWh (6,144Wh) per module
• Chemistry: LiFePO4 (Lithium Iron Phosphate) cells
• Cycle Life: 6,000+ cycles to 80% capacity retention
• Compatibility: DELTA Pro Ultra X inverters only
• Stacking: Multiple batteries per inverter supported (up to 61.44kWh per inverter)
• Maximum System: 180kWh with multi-inverter configurations

Physical Construction and Protection

• Dimensions: 660 × 455 × 204mm (26.0 × 17.9 × 8.0 inches)
• Weight: 50.5kg (111 lbs)
• Protection Rating: IP54 weather-resistant enclosure
• Safety Systems: Dual BMS with 44+ protection features
• Operation: Silent (no noise generation)
• Certifications: UL-listed components

System Integration Requirements

This battery module requires a DELTA Pro Ultra X inverter to function. The inverter manages DC-to-AC conversion, charging from solar/grid/generator sources, and power distribution. Each module connects via plug-and-play interface for instant capacity expansion.

Recommended Configurations

• Essential Backup: 1 inverter + 2 batteries = 12.288kWh
• Whole-Home Backup: 1 inverter + 4 batteries = 24.576kWh
• Multi-Day Autonomy: 1 inverter + 6-10 batteries = 36-61kWh
• Commercial Scale: Multiple inverters + batteries = Up to 180kWh

LiFePO4 Technology Advantages

LiFePO4 chemistry delivers superior thermal stability, safety, and longevity compared to standard lithium-ion. With 6,000+ cycles and 95%+ round-trip efficiency, these modules provide decades of reliable service with zero maintenance requirements. The advanced BMS monitors cell voltage, temperature, and current to ensure safe operation across all conditions.

Warranty and Long-Term Value

EcoFlow backs each DELTA Pro Ultra X battery module with a comprehensive 5-year warranty covering performance and defects. The modular design protects your investment by allowing incremental capacity upgrades without replacing existing equipment as energy needs grow.

Installation and Compatibility

Designed for garage or covered outdoor installation with IP54 environmental protection. Each module integrates seamlessly with DELTA Pro Ultra X inverters through dedicated connection ports. Not compatible with standard DELTA Pro, DELTA 2, DELTA 3, or other EcoFlow product lines.