Outback Power EnergyCell 5 Stackable Heated Lithium Battery EC-FE5148

One Battery Module

The OutBack Power EnergyCell 5 (EC-FE5148) is a high-performance 48V lithium iron phosphate (LiFePO₄) battery module designed for residential, commercial, backup power, and off-grid energy storage applications.

Its modular architecture allows up to eight battery modules to be stacked into a single system while providing intelligent battery protection, active cell balancing, and seamless integration with compatible hybrid inverters.

Built with high-quality LiFePO₄ cells, the EnergyCell 5 delivers long service life, enhanced safety, and maintenance-free operation.

Each battery module communicates through the integrated Battery Management System (BMS) for automatic battery addressing, closed-loop inverter communication, and continuous monitoring of voltage, current, temperature, and battery health. 

Key Features

• 5.12kWh LiFePO₄ Battery Module
  High-performance lithium iron phosphate chemistry provides excellent cycle life, thermal stability, and long-term reliability.

• Expandable Modular Design
  Supports stacking of up to eight battery modules in a single EnergyCell 5 system for scalable energy storage solutions.

• Integrated Active Battery Management
  Continuously monitors voltage, current, temperature, battery health, and provides active cell balancing.

• Closed-Loop Inverter Communication
  Supports CAN Bus and RS485 communication with numerous compatible inverter manufacturers for optimized charging and system performance.

• Automatic Battery Addressing
  Automatically recognizes battery IDs and supported inverter protocols during system startup.

• Integrated Fire Protection
  Features an internal fire extinguishing module for enhanced system safety.

• Indoor & Outdoor Installation
  IP65-rated enclosure allows installation in both indoor and outdoor environments.

• LED Status Indicators
  Front-mounted indicators provide battery operating status and State of Charge information.

Best Uses

• Residential Solar Energy Storage
  Store excess solar production for nighttime consumption and backup power.
• Whole Home Backup Systems
  Reliable battery storage for grid outages and emergency backup applications.
• Off-Grid Solar Systems
  Ideal for remote power systems requiring dependable lithium battery storage.
• Commercial Energy Storage
  Scalable battery architecture supports growing commercial energy storage requirements.
• Hybrid Solar Installations
  Designed for seamless operation with compatible hybrid inverter platforms.

Product Specifications

Scalable, Intelligent Energy Storage

The OutBack Power EC-FE5148 EnergyCell 5 battery module provides dependable lithium energy storage with advanced protection, automatic battery management, integrated communications, and modular expandability. Whether used for backup power, off-grid living, or solar self-consumption, the EnergyCell 5 delivers reliable performance with the flexibility to grow as energy demands increase.

Why Buy From US Solar Supplier

US Solar Supplier is an American-founded company based in Kentucky committed to providing premium solar and energy storage products from trusted manufacturers. We offer competitive pricing, reliable inventory, expert technical support, and products backed by manufacturer warranties.

Our inventory is updated daily with the latest renewable energy technologies, and our knowledgeable team is available to help with product selection, system design, and installation guidance.

Need Assistance?

Have questions before ordering? Call 1-800-230-7004 to speak with one of our energy storage specialists. We're happy to assist with product compatibility, system sizing, or installation support.