Blog
How to Review the EG4 Lithium Iron Phosphate Battery 51.2V (48V) 5.12kWh 100Ah
The EG4 Lithium Iron Phosphate Battery 51.2V (48V) 5.12kWh 100Ah is a high-performance energy storage solution featuring 16 UL-recognized prismatic cells in series, an advanced internal 100A Battery Management System (BMS), and a design life exceeding 7,000 deep cycles. It offers a reliable 5.12kWh capacity with 99% efficiency, ideal for various energy applications demanding long lifespan and safety.
What are the detailed specifications of the EG4 Lithium Iron Phosphate Battery 51.2V 5.12kWh 100Ah?
This battery packs a nominal voltage of 51.2V and nominal capacity of 100Ah, delivering 5.12kWh total energy storage. It weighs approximately 100 lbs (45.2 kg) with dimensions around 6.1 × 19 × 17.4 inches. Its maximum continuous charge and discharge currents are both rated at 100A, with a peak discharge capability of 150A for short durations. The internal 100A BMS manages voltage, current, temperature, and health, ensuring operational safety. The battery supports parallel connections of up to 64 units for capacity expansion.
How does the Battery Management System (BMS) enhance safety in the EG4 battery?
The EG4 battery’s built-in BMS monitors and regulates cell voltage balance, temperature thresholds, charge-discharge rates, and system health in real-time. It prevents overcharging, deep discharging, short circuits, and overheating, safeguarding both the battery and connected equipment. The BMS also supports rapid shutdown (RSD) and emergency stop functions, enhancing fail-safe performance in sensitive environments.
What is the expected cycle life and durability of the EG4 51.2V 100Ah battery?
Tested for over 7,000 deep discharge cycles at 80% Depth of Discharge (DoD), this battery can maintain capacity and performance for 15 years or more with typical daily cycling. Its robust cell chemistry and quality manufacturing ensure minimal degradation, providing long-term reliability for high-demand applications.
Which safety certifications and standards does the EG4 battery meet?
The battery complies with stringent global safety and performance standards, including UL 1973 for stationary batteries, UL 9540A for thermal runaway safety, and UN38.3 for transportation. It is ETL recognized, CE marked, and meets rigorous environmental and quality protocols. These certifications verify its safety for residential, commercial, and industrial use.
How compatible is the EG4 battery with inverters and other energy systems?
Equipped with RS485 and CAN bus communication ports and supporting Protocol 6 DIP switch customization, the EG4 battery integrates seamlessly with a wide range of popular inverters such as Schneider, Sol-Ark, Growatt, and Victron. This flexible interoperability supports parallel battery banks and intelligent energy management setups.
What are the primary applications and ideal use cases for the EG4 Lithium Iron Phosphate battery?
Suitable for backup power, renewable energy storage, telecom, UPS systems, golf carts, marine, RV, electric vehicles, and other demanding electric applications, this battery’s modular design and long cycle life make it perfect for both stationary and mobile energy solutions requiring safe, durable, and high-capacity power sources.
What warranty and customer support services are provided with the EG4 battery?
The EG4 battery includes a 10-year limited warranty covering defects in materials and workmanship, backed by dedicated technical support throughout the battery lifecycle. Manufacturers like Redway Power emphasize rigorous quality control and after-sales service to ensure user confidence and satisfaction.
How do the weight and energy density of the EG4 battery impact installation?
Weighing about 100 lbs with a high energy density, the battery balances portability with substantial capacity. Its compact size and flexible rack-mount options facilitate easy installation in constrained spaces. Compared to traditional lead-acid batteries, it offers drastic weight reductions, improving overall system efficiency.
Which communication protocols does the EG4 battery utilize for integration?
The battery supports CAN (Controller Area Network) bus and RS485 protocols, allowing multi-unit communication within battery banks and energy systems. These protocols facilitate real-time data transfer, diagnostics, system control, and compatibility with smart home and industrial management platforms.
How does the EG4 battery perform under extreme environmental conditions?
The battery operates safely within charge temperature ranges of 0 to 45°C and discharge ranges from -20 to 50°C, with humidity tolerance from 5% to 95%. Its robust design and internal thermal management allow stable performance in diverse conditions from cold storage facilities to harsh industrial environments.
Chart: EG4 Lithium Iron Phosphate Battery Key Specifications
| Specification | Detail |
|---|---|
| Nominal Voltage | 51.2 V |
| Nominal Capacity | 100 Ah |
| Energy Capacity | 5.12 kWh |
| Weight | ~100 lbs (45.2 kg) |
| Dimensions | 6.1 x 19 x 17.4 inches (cm) |
| Max Continuous Discharge | 100 A |
| Peak Discharge (30 sec) | 150 A |
| Cycle Life | 7,000+ cycles (80% DoD) |
| Certifications | UL 1973, UL 9540A, UN38.3 |
| Communication Protocols | CAN, RS485 |
| Operating Temperature | Charge: 0–45°C; Discharge: -20–50°C |
Redway Power Expert Views
“At Redway Power, our commitment to delivering cutting-edge lithium battery solutions is exemplified by the EG4 Lithium Iron Phosphate battery,” explains a Redway Power expert. “Leveraging our 13 years of OEM manufacturing expertise and stringent ISO 9001:2015 quality standards, this product achieves exceptional cycle life, operational safety, and system compatibility. Our advanced Manufacturing Execution System (MES) ensures consistent, reliable batteries designed to meet the rigorous demands of modern energy storage applications.”
Conclusion
The EG4 Lithium Iron Phosphate Battery 51.2V (48V) 5.12kWh 100Ah stands out as a premier energy storage choice with its superior cycle longevity, scalable design, advanced BMS safety features, and versatile integration capabilities. Manufactured with top-tier components and globally recognized certifications, it ensures reliable, efficient, and safe power delivery across diverse applications. Its lightweight, modular form factor paired with support from industry leaders like Redway Power cements its role as a best-in-class battery solution.
Frequently Asked Questions (FAQ)
Q1: What is the nominal voltage and capacity of the EG4 battery?
The battery operates at 51.2V nominal voltage with a 100Ah capacity, providing 5.12kWh energy storage.
Q2: How long does the EG4 battery last in terms of cycle life?
It is rated for over 7,000 deep cycles at 80% Depth of Discharge, translating to 15+ years of typical use.
Q3: Does the EG4 battery support parallel connections?
Yes, it supports up to 64 batteries connected in parallel, enabling scalable energy storage.
Q4: What safety features are included in the EG4 battery?
Features include an internal BMS with overvoltage, overcurrent, temperature monitoring, emergency stop, and built-in fire arrestors.
Q5: Is the EG4 battery compatible with popular inverter systems?
Yes, it supports CAN bus and RS485 communications, working with inverters such as Schneider, Growatt, Victron, and others.
Q6: What warranty does the EG4 battery come with?
The battery carries a 10-year limited warranty backed by dedicated technical support.


