EG4 5.12kWh LiFePO4 Server Rack Battery w/LCD 48V| 100Ah EG4-LL 

Model: EG4LL48V100AV4 | EG4-LL-S48-100

The EG4 48V 100Ah LiFePO4 Server Rack Battery is a reliable, scalable energy storage solution designed for residential, commercial, and off-grid solar systems. Delivering 5.12kWh of energy in a compact rack-mount form factor, this battery pairs long cycle life with robust safety features and integrated monitoring via a front-panel LCD.

Built with high-quality LiFePO4 prismatic cells and a sophisticated Battery Management System (BMS), the EG4-LL-S48-100 supports parallel expansion and seamless integration with 48V hybrid and off-grid inverters.

Key Benefits

• 5.12kWh Energy Capacity – 48V, 100Ah configuration for efficient storage

• Long Cycle Life – 6,000+ cycles at 80% depth of discharge

• Integrated LCD Display – Real-time status and system visibility

• Parallel Expansion – Scale capacity by adding additional 48V units

• High Efficiency – Minimal losses with LiFePO4 chemistry

• Rack-Mount Design – Compact, stackable, and installer-friendly

• UL Listed – Designed to meet safety and compliance requirements

• 10-Year Warranty – Manufacturer-backed long-term reliability

Best Use Applications

• Residential solar + battery storage

• Off-grid and hybrid solar systems

• Backup power for homes and small businesses

• Commercial and light industrial energy storage

• Modular battery banks with future expansion in mind

Battery Technology & Safety

The EG4-LL-S48-100 uses Lithium Iron Phosphate (LiFePO4) prismatic cells for enhanced thermal stability, consistent performance, and long service life. The integrated BMS actively manages charging, discharging, balancing, and protection against over-voltage, under-voltage, short circuits, and temperature extremes. An onboard LCD provides at-a-glance system information for easier commissioning and troubleshooting.

Product Specifications

Why Choose the EG4 48V 100Ah Server Rack Battery?

This battery offers a balance of performance, safety, and scalability in a clean rack-mount package. With native 48V compatibility, integrated monitoring, and long cycle life, it’s a solid choice for modern solar-plus-storage systems that need dependable, expandable energy storage.

Need help with system sizing, racking compatibility, or a full solar design?

Our team can help you pair this module with inverters, racking, and storage—or create a permit-ready solar plan set for your project.

👉 Find out more about PowerPlan Solar Design