EG4 LifePower4 Lithium Battery | 48V 100Ah | 5.12kWh Server Rack | UL1973, UL9540A | Auto-Addressing | 10-Year Warranty
Power your energy storage system with confidence using the EG4 LifePower4 V2 Lithium Battery—a rugged, UL-certified 48V 100Ah LiFePO4 server rack battery designed for seamless integration, long-term reliability, and high-performance scalability.
Now upgraded with auto-addressing, this version simplifies closed-loop communication with EG4 inverters and batteries—making setup faster, smarter, and more installer-friendly. Whether you're building a whole-home backup system, going off-grid, or scaling a commercial ESS, the LifePower4 V2 delivers safe, long-lasting power you can count on.
Key Features & Benefits
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⚡ 5.12kWh Capacity @ 48V – High-energy storage with 100Ah output and 51.2V nominal voltage
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🔄 Auto-Addressing BMS – Streamlines setup with automatic protocol detection and ID assignment
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🔒 Enhanced Safety – Dual fire arrestors + E-Stop rapid shutdown (RSD) for added protection
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🔧 Installer-Friendly Design – Dual terminals (2+ / 2–) and DIP switch for simplified connections
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🔌 Smart Communication – CAN bus & RS485 ports support closed-loop communication with EG4 and other inverters
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🧱 Modular & Scalable – Parallel up to 64 batteries for up to 327.7kWh of energy storage
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🛡️ UL Certified – UL1973 Recognized, UL9540A tested, and UL9540 listed with EG4 18kPV-12LV inverter
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🔋 Long Life Cycle – 6,000+ deep discharge cycles at 80% DoD = 15+ years of daily use
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🛠️ DIY & DWY-Friendly – Rack-mountable design makes setup efficient for pros and ambitious DIYers
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✅ 10-Year Warranty – Backed by EG4’s industry-leading support and reliability guarantee