In today’s energy-driven world, efficient, safe, and scalable energy storage is critical for commercial, industrial, and residential applications. Rack-mounted lithium batteries, such as the Redway Battery 51.2V 50Ah LiFePO4 module (PM-LV5150-3U), offer a reliable solution for energy storage systems, telecom setups, server rooms, and off-grid applications. This article breaks down the essential knowledge about these batteries, their design, applications, and key features, providing a clear understanding for manufacturers, wholesalers, suppliers, and OEMs.
Overview of LiFePO4 Rack-mounted Batteries
LiFePO4, or lithium iron phosphate, is a battery chemistry celebrated for its stability, long lifespan, and high safety. The Redway Battery 51.2V 50Ah module provides a nominal voltage of 51.2V and stores 2.56kWh of energy. This form factor is designed for compact installations in standard 19-inch racks, offering a lightweight 24kg design for easy handling.
Key performance highlights include:
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Cycle life: Over 8000 cycles at 80% depth of discharge (DOD), and more than 9000 cycles at 60% DOD.
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Design lifespan: Up to 20 years under optimal conditions.
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Scalability: Parallel connection of 16–64 units to meet growing energy demands.
These specifications make the Redway Battery 51.2V 50Ah an ideal choice for mission-critical applications requiring dependable, long-term power.
Design and Technical Features
The PM-LV5150-3U integrates high-quality LiFePO4 cells and a JBD smart battery management system (BMS) that ensures cell balancing, overcharge/discharge protection, and system safety. Optional features include Bluetooth, WiFi, SNMP, GPS, and self-heating, enhancing monitoring and adaptability for different environments.
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| Feature | Specification |
|---|---|
| Nominal Voltage | 51.2V |
| Capacity | 50Ah |
| Energy | 2.56kWh |
| Weight | 24 kg |
| Rack Size | 3U (19-inch) |
| IP Rating | IP21 |
| Cycle Life | >8000 cycles at 80% DOD |
The compact form factor, robust metal enclosure, and LCD display allow for easy installation and real-time monitoring. Compatibility with top inverters such as Victron, Deye, SMA, Sol-Ark, and Growatt ensures smooth integration into existing energy systems.
Applications and Use Cases
Redway Battery rack-mounted modules are versatile and suitable for a wide range of scenarios:
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Energy Storage Systems (ESS): Residential, commercial, and industrial applications requiring scalable storage.
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Telecom & Server Rooms: Backup power and uninterrupted operations in space-constrained environments.
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Off-grid Solar Systems: Reliable energy storage for renewable energy applications.
The flexibility to connect multiple units in parallel allows businesses to expand capacity as needed, providing a future-proof investment in energy infrastructure.
Redway Expert Views
“In modern energy storage, reliability and scalability are non-negotiable. Redway Battery’s rack-mounted LiFePO4 solutions combine long cycle life, smart BMS integration, and modular expandability, making them ideal for businesses and industrial applications. Manufacturers and OEMs can confidently integrate these batteries into ESS, telecom, and server systems, knowing they deliver consistent performance, high safety, and operational efficiency.”
Advantages of Redway Battery Rack-mounted Modules
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High energy density with safe LiFePO4 chemistry
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Long lifespan reducing replacement and maintenance costs
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Compact 3U rack design suitable for space-limited installations
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Smart BMS for safety and efficiency
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Wide compatibility with leading inverter brands
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Optional connectivity for real-time monitoring and management
| Benefit | Practical Impact |
|---|---|
| Long cycle life | Lower lifecycle costs |
| Parallel scalability | Flexible energy expansion |
| Lightweight 24kg design | Easier installation and maintenance |
| Optional smart features | Enhanced monitoring and control |
Conclusion
Rack-mounted lithium batteries, like the Redway Battery 51.2V 50Ah LiFePO4 module, provide a reliable, safe, and scalable solution for modern energy storage needs. Their long cycle life, smart BMS, compact design, and modularity make them suitable for ESS, telecom, server rooms, and off-grid applications. For manufacturers, wholesalers, and OEMs, understanding these features ensures informed decisions and efficient energy system integration. Redway Battery’s commitment to high-quality materials, professional engineering, and global standards makes it a trusted partner for energy storage solutions.
FAQs
What is the expected lifespan of the Redway 51.2V 50Ah battery?
It has a design life of up to 20 years, with over 8000 cycles at 80% DOD.
Can multiple units be connected for higher capacity?
Yes, it supports parallel expansion from 16 to 64 units.
Which applications are suitable for this battery?
It is ideal for ESS, telecom, server rooms, and off-grid solar energy systems.
Does the battery require special installation?
No, the 3U rack design and 24kg weight allow easy installation in standard 19-inch cabinets.
Are there monitoring and smart management options available?
Yes, optional Bluetooth, WiFi, SNMP, GPS, and self-heating modules are available for advanced monitoring.


