EG4 LiFePower4 48V 100Ah Lithium Battery | 5.12kWh LiFePO4 | 6,000+ Cycles | Scalable to 327kWh | 99% Efficiency | UL & ETL Certified | 10-Year Warranty

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EG4 LiFePower4 48V V2 100Ah Lithium Iron Phosphate Battery

The EG4 LiFePower4 48V V2 is a high-performance lithium iron phosphate (LiFePO4) battery, designed for reliable energy storage in residential, commercial, and off-grid applications. Built with UL-recognized prismatic cells, it delivers long-lasting performance with over 6,000 cycles at 80% Depth of Discharge (DoD). With enhanced safety features, configurable inverter protocols, and the ability to scale up to 64 batteries in parallel, this battery offers unmatched flexibility and efficiency.


Key Features

  • High-Capacity Storage51.2V (48V) battery with 5.12kWh energy capacity and 100A internal BMS.
  • Long Lifespan – Rated for 6,000+ cycles at 80% DoD, ensuring 15+ years of daily use.
  • Inverter CompatibilityDIP switch for easy inverter protocol selection.
  • Scalable Energy Storage – Parallel up to 64 batteries for a total capacity of 327.7kWh.
  • Enhanced Safety FeaturesDual on-board fire arrestors and E-Stop functionality for added protection.
  • High Efficiency99% operating efficiency, reducing energy loss.
  • Advanced Battery Management System (BMS) – Provides overvoltage, undervoltage, overcurrent, and temperature protection.
  • User-Friendly Monitoring – RS485 and CAN communication ports for system integration.
  • Reliable Backup Power – Ideal for solar energy storage, off-grid systems, and backup power solutions.
  • 10-Year Warranty – Backed by a manufacturer warranty for long-term peace of mind.

Product Specifications

Electrical Characteristics

  • Battery Type: Lithium Iron Phosphate (LiFePO4)
  • Nominal Voltage: 51.2V (48V System)
  • Nominal Capacity: 100Ah
  • Nameplate Energy Capacity: 5.12kWh
  • Maximum Continuous Charge Current: 100A
  • Maximum Continuous Discharge Current: 100A
  • Maximum Discharge Rate: 5.12kW
  • Round-Trip Efficiency: 99%
  • Depth of Discharge (DoD): 80% Recommended

BMS Protection & Safety

  • Overcharge Protection: Triggers at 60.0V
  • Low Voltage Cutoff: 44.8V
  • Short Circuit Protection: Activates at >300A in less than 0.1ms
  • Temperature Protection:
    • Charge: <32°F or >158°F (0°C or >70°C)
    • Discharge: <-4°F or >167°F (-20°C or >75°C)
    • PCB Temperature: >221°F (>105°C)
  • E-Stop Functionality: Yes
  • Fire Safety: Dual on-board fire arrestors

Scalability & Communication

  • Maximum Batteries in Parallel: 64 (up to 327.7kWh total capacity)
  • Maximum Batteries in Series: 1
  • Communication Ports: RS485 & CAN

Installation & Environmental

  • Charging Temperature Range: 32°F – 113°F (0°C – 45°C)
  • Discharging Temperature Range: -4°F – 122°F (-20°C – 50°C)
  • Storage Temperature: -4°F – 122°F (-20°C – 50°C)
  • Ingress Protection: IP20 (Indoor Use)

Mechanical Specifications

  • Dimensions (H x W x D): 155 x 442 x 470mm (6.1 x 19 x 17.4 in.)
  • Weight: 45.2kg (99.6 lbs.)

Certifications & Warranty

  • Certifications: UL1973, UL9540A (Passed), ETL Recognized, UL9540 Listed
  • Warranty: 10 Years
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