EG4-LL-S Lithium Battery 48V 100AH | Server Rack Battery | UL1973 EG4-LL-S Lithium Battery 48V 100Ah | Server Rack Battery UL1973 UL9540A

EG4-LL-S Lithium Battery 48V 100Ah | Server Rack Battery UL1973 UL9540A

The EG4-LL-S 48V 100Ah Lithium Battery is an advanced LiFePO4 (Lithium Iron Phosphate) energy storage solution designed for high-performance, long-life solar, and backup systems. Combining UL1973 and UL9540A certifications, this rack-mount battery delivers maximum safety, reliability, and scalability for residential and commercial energy storage applications.

With 5.12 kWh of usable energy and a rated cycle life exceeding 7,000 cycles, the EG4-LL-S offers unmatched durability and efficiency. Its smart BMS (Battery Management System) enables seamless communication with hybrid inverters and monitoring systems, ensuring precise control and protection at all times.

Key Benefits

• Certified Safety: Fully UL1973 and UL9540A certified for thermal stability and electrical safety.

• Long Life Cycle: 7,000+ charge/discharge cycles at 80% DOD for over 10 years of daily use.

• Smart BMS Integration: Real-time monitoring and cell balancing through RS485/CAN communication.

• Rack-Mount Design: Standard 19” server rack compatibility for clean, scalable installations.

• High Efficiency: 48V 100Ah configuration delivers over 5.12 kWh of stable, low-maintenance power.

• Wide Compatibility: Works seamlessly with EG4 hybrid inverters, Sol-Ark, Growatt, and other systems.

Applications

Ideal for home energy storage, off-grid systems, commercial solar installations, and backup applications, the EG4-LL-S delivers dependable performance and industry-leading safety in a compact form factor. Perfect for system builders who demand both UL certification and high energy density in a modular rack design.

Technology

The EG4-LL-S features LiFePO4 cell chemistry known for its exceptional stability, long cycle life, and deep discharge capability. The integrated smart BMS manages temperature, voltage, and current protection while providing CAN and RS485 communication for inverter synchronization. Its stackable rack design simplifies scaling to larger storage capacities while maintaining balanced system operation.

Specifications

• Chemistry: LiFePO4 (Lithium Iron Phosphate)

• Nominal Voltage: 48V DC

• Capacity: 100Ah (5.12 kWh)

• Cycle Life: 7,000+ cycles @ 80% DOD

• Certifications: UL1973, UL9540A

• Communication: RS485 / CAN

• Installation: 19” Standard Server Rack

• Operating Temp: –4°F to 140°F (BMS Controlled)

• Dimensions: Approx. 17” x 19” x 5.5”

• Weight: ~110 lbs

Why Choose EG4

The EG4-LL-S Lithium Battery sets a new benchmark for professional-grade solar energy storage, combining the proven reliability of EG4 engineering with full UL certification and intelligent BMS control. Compact, modular, and built for endurance, it’s the perfect choice for homeowners, solar installers, and commercial users who require certified safety, scalability, and performance from their 48V battery systems.