Energy storage is at the core of modern technology, powering everything from data centers to renewable energy systems. The Redway Battery 51.2V 50Ah Rack-Mounted LiFePO4 battery exemplifies how high-quality lithium iron phosphate (LiFePO4) technology combines performance, safety, and scalability for professional applications. Designed for server rooms, telecom infrastructure, off-grid systems, and hybrid energy storage, this battery delivers reliable energy with longevity and flexibility.
Key Features and Advantages
High-Quality LiFePO4 Cells
Redway Battery uses premium A-grade LiFePO4 cells from top Chinese manufacturers such as CATL and EVE. These cells provide:
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Long cycle life: over 8,000 cycles at 80% Depth of Discharge (DOD)
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Thermal stability for safer operation
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Consistent capacity retention over 20 years
Robust Performance Specifications
The PM-LV5150-2U-PRO battery has a nominal voltage of 51.2V and a capacity of 50Ah, giving it a nominal energy of 2.56 kWh. Its operating voltage range (40–58.4V) ensures compatibility with various energy systems. Other performance highlights include:
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Max continuous charge/discharge: 50A
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Max parallel connection: 16 units (expandable to 64)
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Design life: 20 years
Table 1: Technical Specifications of the Redway Battery PM-LV5150-2U-PRO
| Specification | Details |
|---|---|
| Cell Type | LiFePO4 (LFP) |
| Nominal Voltage | 51.2V |
| Nominal Capacity | 50Ah |
| Nominal Energy | 2.56 kWh |
| Max Charge Voltage | 58.4V |
| Discharge Cut-off Voltage | 40V |
| Max Continuous Current | 50A |
| Cycle Life | >8000 cycles (80% DOD) |
| Dimensions (L×W×H) | 410 × 440 × 88.5 mm (2U) |
| Weight | ~23 kg |
| IP Rating | IP21 |
| Communication Protocols | RS485, CAN-bus |
Safety and Smart Management
Safety is critical for high-capacity batteries. The PM-LV5150-2U-PRO incorporates a JBD smart BMS for:
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Overcharge and over-discharge protection
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Temperature monitoring
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Short-circuit and overcurrent prevention
Optional upgrades include Bluetooth, WiFi, 4G, GPS, LCD display, thermal fire suppression, and remote monitoring software. These features make it ideal for critical applications where reliability and oversight are essential.
Compatibility and Flexibility
Redway Battery ensures compatibility with popular inverters such as Deye, Victron, GoodWe, Sol-Ark, and Growatt. The battery fits standard 19-inch rack cabinets (2U height), making installation straightforward in server rooms or ESS setups.
Chart 1: Battery Application and Parallel Connection Scalability
Redway Expert Views
The PM-LV5150-2U-PRO demonstrates how high-quality LiFePO4 batteries can provide not only reliable energy but also operational flexibility for modern ESS and telecom applications. By integrating smart BMS technology and scalable design, Redway Battery enables businesses to expand their energy storage as needed, maintaining both safety and performance over decades.”
Practical Applications
The Redway 51.2V 50Ah battery is suited for:
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Data Centers & Server Rooms: Ensures uninterrupted power and efficient rack integration.
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Telecom Systems: Supports base stations and network continuity.
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Off-grid Solar & Hybrid Systems: Provides scalable energy storage solutions.
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Industrial & Commercial Energy Storage: Flexible design allows parallel connection for higher capacity.
Conclusion
The Redway Battery PM-LV5150-2U-PRO is a high-performance, safe, and scalable LiFePO4 solution for critical energy applications. Its long lifespan, smart BMS, and compatibility with multiple inverters make it an excellent choice for businesses seeking reliable and customizable energy storage. For OEMs, system integrators, and facility managers, choosing Redway Battery ensures both quality and peace of mind, backed by over a decade of industry expertise.
FAQs
What is the typical lifespan of the PM-LV5150-2U-PRO?
It exceeds 8,000 cycles at 80% DOD, with a design life of 20 years.
Can these batteries be connected in parallel?
Yes, up to 16 units can be connected in parallel by default, expandable to 64 units.
What monitoring options are available?
Built-in BMS provides safety monitoring, with optional upgrades including Bluetooth, WiFi, 4G, LCD display, and remote PC/App software.
Is the battery compatible with all inverters?
It is compatible with popular inverters such as Deye, Victron, GoodWe, Sol-Ark, SMA, Growatt, and others.
What temperature range can the battery operate in?
Charge: 0–60°C, Discharge: -20–60°C.
Redway Battery combines advanced technology, scalable design, and high safety standards, making the PM-LV5150-2U-PRO an ideal choice for professional energy storage solutions.
