tified LiFePO4 rack-mount battery for solar, off-grid, and backup energy storage systems.
EG4 LifePower4 Lithium Battery 48V 100Ah | Server Rack Battery UL1973 UL9540A
The EG4 LifePower4 48V 100Ah Lithium Battery is one of the most trusted and field-proven energy storage solutions in the solar industry. Designed for server rack integration, it delivers exceptional cycle life, safety, and reliability—making it ideal for off-grid systems, hybrid setups, and whole-home energy storage.
Built with LiFePO4 chemistry and certified to both UL1973 and UL9540A standards, the LifePower4 ensures safe operation and long-term performance. It’s a modular, stackable battery engineered to scale with your growing power demands while maintaining a compact footprint and simple installation process.
Key Benefits
Reliable Energy Storage: 48V 100Ah (5.12 kWh) of clean, efficient power for solar and backup systems.
UL-Certified Safety: Meets UL1973 and UL9540A standards for energy storage and thermal performance.
Long Cycle Life: 7,000+ cycles at 80% depth of discharge for over 10 years of daily use.
Smart Battery Management System: Built-in BMS balances cells, protects against overcharge/discharge, and ensures stable output.
Modular Rack Design: Easily stack multiple batteries for expandable storage capacity.
Broad Compatibility: Works seamlessly with EG4, Sol-Ark, Growatt, and other leading inverter brands.
Applications
Perfect for off-grid homes, commercial solar installations, server rack enclosures, and battery backup systems, the EG4 LifePower4 is built for scalability and consistent performance. Whether used as a single unit or in multi-battery configurations, it provides the dependable power needed for critical loads and renewable energy storage.
Technology
Powered by Lithium Iron Phosphate (LiFePO4) cells, this battery delivers unmatched safety and efficiency with a high discharge rate and flat voltage curve. The internal smart BMS manages temperature, voltage, and communication via RS485 and CAN protocols, allowing smooth integration with hybrid and grid-tied inverters.
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: Rack Mount (Standard 19”)
Weight: Approx. 110 lbs (varies by configuration)
Operating Temp: –4°F to 140°F (with BMS protection)
Why Choose EG4
The EG4 LifePower4 Lithium Battery delivers a proven balance of affordability, safety, and performance. With its UL-certified design, long cycle life, and robust BMS, it’s one of the most widely adopted rack-mount batteries in the solar market today. Trusted by installers and system owners alike, EG4 continues to set the benchmark for dependable, long-lasting 48V energy storage for off-grid and hybrid applications.