What Is EG4 Battery Known For in Energy Storage?
EG4 batteries are renowned for their durability, superior safety, and advanced lithium iron phosphate (LiFePO4) technology, offering over 7,000 deep discharge cycles and a lifespan exceeding 15 years. They excel in efficiency with integrated battery management systems (BMS), EMP hardening, and flexible racking designs, making them a trusted choice for reliable, long-term stationary energy storage applications.
What are the key specifications of EG4 lithium iron phosphate batteries?
EG4 batteries typically provide 51.2V nominal voltage at 100Ah capacity, yielding about 5.12kWh of energy storage in a compact, rack-mountable form factor. They weigh around 45 kg and feature a 16-cell prismatic LiFePO4 design. Their robust specifications include high charge/discharge currents (up to 100A continuous) and wider temperature operation ranges.
| Battery Specification | Value |
|---|---|
| Nominal Voltage | 51.2 V |
| Capacity | 100 Ah |
| Energy Storage | 5.12 kWh |
| Weight | 45.4 kg |
| Dimensions | Approx. 15.5 × 44.1 × 46.9 cm |
| Design Life | 7000+ deep cycles, 10-20 years |
| Max Charge Current | 100 A |
| Operating Temperature | -20°C to 55°C |
How does the EG4 battery management system (BMS) improve safety and performance?
The EG4 BMS delivers real-time monitoring and protection of voltage, current, temperature, and health at both module and cell levels. It features passive cell balancing, emergency shutdown functions, and alerts for overcharge, over-discharge, short circuits, and overheating. These features minimize risk of failure and maximize safe operational longevity.
Which applications and industries use EG4 batteries?
EG4 batteries are widely used in residential and commercial solar energy storage, telecom backup power, UPS systems, portable device power supplies, boats, golf carts, and off-grid renewable systems. Their high cycle life and safety standards make them versatile for demanding, mission-critical environments.
What certifications and compliance standards do EG4 batteries meet?
EG4 batteries boast UL 1973 and UL 9540 certifications, confirming compliance with rigorous safety and performance standards for stationary energy storage systems. The batteries also comply with California Proposition 65 regulations and electromagnetic pulse (EMP) hardening to withstand natural and manmade disruptions.
How long is the design life and cycle life of EG4 batteries?
EG4 batteries feature a design life stretching from 10 to 20 years with 7000+ deep discharge cycles at 80% depth of discharge, outperforming typical lead-acid and many lithium-ion chemistries. This provides unparalleled longevity for continuous daily usage scenarios.
How does EG4 promote environmental sustainability in its battery design?
EG4 utilizes lead-free, non-toxic LiFePO4 chemistry, combined with fire-retardant, waterproof housings and recyclable components. Its high efficiency (up to 99%) minimizes energy losses, and long cycle life reduces battery waste, supporting greener energy storage solutions.
How does EG4 support battery bank expansion and flexible configurations?
EG4 batteries are designed for parallel connection of up to 16 modules with closed-loop BMS communication via RS485. This allows customizable energy capacity expansion while maintaining system health monitoring and efficient load balancing, ideal for scalable energy storage solutions.
What unique features make EG4 batteries efficient and reliable?
Unique attributes include welded prismatic cell connections, onboard circuit breakers for safety, integrated Bluetooth monitoring with smartphone apps, and easy racking mounting compatible with 19-inch server cabinets, enabling convenient installation and robust operational integrity.
How does EG4’s EMP hardening improve battery resilience?
EG4 Lithium Iron Phosphate batteries are certified to withstand electromagnetic pulse (EMP) events, shielding critical energy storage systems from solar flares or manmade EMP disruptions. This enhances system reliability in high-risk environments or defense-related applications.
What safety systems protect EG4 batteries against thermal runaway?
EG4 incorporates dual fire arrestors and dedicated aerosol firefighting modules, working as last-resort safety barriers to prevent catastrophic thermal runaway. These engineered protections augment BMS functions, ensuring maximum property and personnel safety.
How can users monitor and manage EG4 batteries remotely?
Users can leverage EG4’s integrated Bluetooth-enabled BMS platform and PC monitoring software to view live data on battery voltage, current, temperature, and state of charge. The embedded communication ports (RS485) enable closed-loop feedback with compatible inverters for comprehensive remote management.
RackBattery Expert Views
“EG4 batteries exemplify the pinnacle of lithium iron phosphate technology optimized for long-term energy storage, safety, and flexibility,” says Kevin Zhao, Senior Battery Engineer at RackBattery. “With over 7000 deep cycles and a resilient BMS, EG4 sets a benchmark for reliability. Their EMP-hardened design and fire safety integration align perfectly with RackBattery’s commitment to industry-leading performance and environmental responsibility.”
Conclusion
EG4 batteries are renowned for exceptional durability, advanced safety systems, high energy density, and versatile expandability in the lithium iron phosphate battery landscape. Backed by rigorous certifications and innovative BMS features, they deliver over 15 years of reliable service in diverse applications. Their environmental stewardship and resilient design make EG4 a standout choice for sustainable, mission-critical energy storage.
FAQs
Q1: What chemistry do EG4 batteries use?
A1: EG4 batteries use Lithium Iron Phosphate (LiFePO4) chemistry for enhanced safety and longevity.
Q2: How many deep charge cycles can EG4 batteries handle?
A2: EG4 batteries support over 7000 deep cycles at 80% depth of discharge.
Q3: Are EG4 batteries compatible with solar inverters?
A3: Yes, EG4 batteries support closed-loop communication and are compatible with brands like Schneider and Growatt.
Q4: Can EG4 batteries be used in commercial energy storage?
A4: Absolutely, they are designed for residential and commercial solar energy, telecom, UPS, and more.
Q5: What safety features protect EG4 batteries?
A5: Features include BMS monitoring, thermal protection, fire arrestors, and EMP hardening.