Enphase IQ Battery 10C 5kWh Expansion Unit (Domestic) B05-C01-US00-1-3-11.9-DOM

Enphase IQ Battery 10C 5kWh Expansion Unit (Domestic) B05-C01-US00-1-3-11.9-DOM

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Enphase IQ Battery 10C 5kWh Expansion Unit (Domestic) B05-C01-US00-1-3-11.9-DOM

Enphase IQ Battery 10C 5kWh Expansion Unit (Domestic) B05-C01-US00-1-3-11.9-DOM

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MPN No: B05-C01-US00-1-3-11.9-DOM
Regular price $2,714.16

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Expected ship date Apr 30 - May 07

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Regular price $2,714.16

Enphase IQ Battery 10C 5kWh Expansion Unit (Domestic) B05-C01-US00-1-3-11.9-DOM 

The Enphase B05-C01-US00-1-3-11.9-DOM is a 5 kWh lithium iron phosphate (LFP) battery expansion unit designed for use within the Enphase IQ Battery 10C system. This modular battery enables scalable energy storage, allowing installers to configure systems based on energy needs while maintaining high efficiency, safety, and reliability.

This unit includes one 5 kWh battery module and a mounting bracket, providing a compact and flexible solution for expanding existing energy storage systems. It is designed for seamless integration with Enphase microinverter-based systems and supports backup, self-consumption, and grid-interactive applications.


Important Notes

  • Domestic Content: 56.8% domestic content contribution
  • Compliance Notice: While this item includes 56.8% domestic content contribution, it does NOT meet FEOC compliance for TPO financing originations after Nov. 10th, 2025 for installations beginning Jan 1, 2026.
  • Included: ONE 5 kWh battery unit with one mounting bracket
  • Not Included: ID cover must be ordered separately (SKU: EN-B10C-NC-0708-O)
  • System Requirement: Each IQBATTERY-10C-1P-NA system MUST include:
    • (2) B05-C01-US00-1-3-11.9-DOM
    • (1) EN-B10C-NC-0708-O
  • Replacement: Direct replacement for EN-B05-C01-US00-1-3

Key Technology

  • LFP Battery Chemistry
    Uses lithium iron phosphate chemistry for enhanced safety, long lifespan, and thermal stability. 

  • Modular Expansion Design
    Enables flexible system sizing by combining multiple battery units to reach desired capacity. 

  • Integrated Microinverter Compatibility
    Designed to work seamlessly with Enphase IQ microinverter systems for AC-coupled storage solutions. 

  • High Efficiency Performance
    Supports high round-trip efficiency and reliable energy delivery for daily use and backup scenarios. 

  • Passive Cooling System
    No moving parts or fans, improving reliability and reducing maintenance requirements. 


Best Uses

  • Home Energy Storage Systems
    Provides scalable battery capacity for residential solar systems.

  • Backup Power Applications
    Supports essential load backup when integrated into a full IQ Battery system.

  • Energy Optimization
    Enables self-consumption, time-of-use optimization, and grid interaction.


Warranty

  • Battery Warranty: Up to 15 years or 6,000 cycles (60% capacity retention)

Product Specifications

Specification Details
Manufacturer Enphase Energy
Model B05-C01-US00-1-3-11.9-DOM
Product Type Battery Expansion Unit
Usable Capacity 5.0 kWh (per unit)
System Compatibility IQ Battery 10C System
Chemistry Lithium Iron Phosphate (LFP)
Nominal Voltage 76.8 V (system reference)
Max Voltage 86.4 V
Operating Temperature (Charge) -20°C to 50°C
Operating Temperature (Discharge) -20°C to 55°C
Mounting Wall mount (bracket included)
Dimensions (System Reference) 24.5 × 28 × 14.4 in
Cooling Passive (natural convection)
Enclosure Rating NEMA 3R

 

About Enphase Energy:

Enphase Energy is a global leader in solar microinverter and energy storage technology. Known for innovation and reliability, Enphase systems deliver intelligent energy management, high safety standards, and seamless integration across solar and storage applications. 


Flexible Energy Storage Expansion for Enphase Systems

The Enphase B05-C01-US00-1-3-11.9-DOM battery module provides a scalable, efficient, and safe solution for expanding IQ Battery 10C systems, enabling reliable energy storage and backup performance. 

 

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