Description
The PR-LV5150-3U from Redway Lithium Battery Factory is a 51.2V 50Ah rack-mounted LiFePO4 battery engineered for hybrid and off-grid applications, including ESS systems, data centers, server rooms, and telecom infrastructure. With a nominal energy of 2.56kWh, it delivers dependable and efficient power in a compact 3U design (440 x 440 x 136 mm) that fits standard 19-inch server racks.
Built using premium CATL/EVE lithium cells, this battery offers an exceptional cycle life of over 8000 cycles at 80% DOD and a design life of 20 years, ensuring long-term performance. It supports parallel connection from 16 up to 64 units, making it highly scalable for larger systems. A JBD smart BMS provides robust protection and real-time monitoring, while RS485 and CAN-bus ensure seamless communication with top inverter brands like Victron, Growatt, SMA, Solis, Deye, and more.
Weighing just 24kg, the PR-LV5150-3U is easy to install and move. It’s rated IP21 for indoor environments and supports optional upgrades such as Bluetooth, WiFi, SNMP, and fire suppression systems. Certified to UL, CE, IEC, and UN38.3 standards, this battery is a cost-effective, safe, and flexible solution for modern energy storage needs.
Know More
The 51.2V 50Ah LiFePO4 Server Rack Battery (PR-LV5150) delivers 2.56kWh of energy, 6,000–8,000+ cycles, and robust BMS protection in a compact rack-mount design. Redway Battery’s OEM customization, global certifications, and seamless inverter compatibility make it ideal for data centers, telecom, solar, and industrial backup systems.
What Are the Key Features and Specifications of the 51.2V 50Ah LiFePO4 Server Rack Battery?
The PR-LV5150 offers a nominal voltage of 51.2V, 50Ah capacity, and 2.56kWh energy output. It features a 2U or 3U rack-mount form factor, weighs 23–24kg, and operates from -20°C to 60°C. The integrated smart BMS provides cell balancing, overcurrent, overcharge, overdischarge, and temperature protection.
Chart: PR-LV5150 Key Specifications
| Feature |
Value |
| Nominal Voltage |
51.2V |
| Capacity |
50Ah |
| Energy |
2.56kWh |
| Cycle Life |
6,000–8,000+ cycles |
| Operating Temp |
-20°C to 60°C |
| Weight |
23–24kg |
| Max Parallel Units |
15–16 |
| Certifications |
CE, IEC, UN38.3, MSDS, UL |
How Does the PR-LV5150 Ensure Safety and Reliability?
The PR-LV5150 is equipped with a multi-level smart BMS that monitors voltage, current, and temperature in real time. It provides protection against overcharge, overdischarge, short circuits, and overheating. The metal enclosure, flame-retardant materials, and optional fire suppression ensure safe operation in demanding environments.
Which Applications Are Best Suited for the PR-LV5150 Server Rack Battery?
This battery is ideal for data centers, telecom base stations, renewable energy storage, industrial backup, and off-grid hybrid systems. Its modular rack design allows for scalable installations, supporting critical infrastructure and uninterrupted power supply in commercial, industrial, and IT environments.
Why Is LiFePO4 Chemistry Preferred for Rack-Mounted Batteries?
LiFePO4 (LFP) chemistry offers superior thermal stability, long cycle life, and high safety compared to other lithium-ion types. It resists thermal runaway, supports deep cycling, and maintains over 80% capacity after thousands of cycles, making it the top choice for mission-critical and high-demand applications.
How Does Redway Battery Support OEM and Customization Needs?
Redway Battery provides full OEM/ODM services, allowing clients to customize capacity, BMS features, communication protocols (RS485, CAN, Bluetooth, WiFi), and branding. With manufacturing in Dongguan and Huizhou, Redway delivers flexible solutions for wholesale, B2B, and project-specific requirements.
What Certifications and Standards Does the PR-LV5150 Meet?
The PR-LV5150 is certified to CE, IEC62619, UN38.3, MSDS, and UL1973 standards, ensuring compliance with global safety, transport, and environmental requirements. These certifications guarantee reliability, safe installation, and acceptance in international markets.
How Does the PR-LV5150 Integrate with Inverters and Energy Systems?
The battery supports RS485 and CAN-bus communication, enabling seamless integration with top inverter brands such as Victron, GoodWe, SMA, Growatt, and Deye. Its quick-plug connectors and modular design simplify installation and system expansion for both new and retrofit projects.
Chart: Inverter Compatibility for PR-LV5150
| Inverter Brand |
Communication Supported |
| Victron |
CAN, RS485 |
| GoodWe |
CAN, RS485 |
| SMA |
RS485 |
| Growatt |
CAN, RS485 |
| Deye |
CAN, RS485 |
Can the PR-LV5150 Be Used in Parallel for Large-Scale Storage?
Yes, up to 15 or 16 units can be connected in parallel, scaling total energy storage to over 38kWh. This modularity supports expanding needs in data centers, commercial solar, and microgrid applications, offering flexible and reliable power solutions.
What Are the Advantages of Choosing a China-Based Manufacturer Like Redway Battery?
Redway Battery offers cost-effective solutions, advanced technology, and rapid OEM customization. With a strong supply chain, global logistics, and proven track record, Redway provides high-quality batteries, competitive pricing, and responsive support for clients worldwide.
How Do You Evaluate the Reliability of a 51.2V 50Ah Battery Supplier?
Look for certifications, production capacity, customer reviews, and warranty policies. Redway Battery stands out with international certifications, strict quality control, a 10-year warranty, and a history of positive feedback from global clients.
Redway Battery Expert Views
“Our PR-LV5150 server rack battery is engineered for reliability, scalability, and safety. With advanced LiFePO4 cells, a robust smart BMS, and full OEM support, Redway Battery delivers tailored solutions for data centers, telecom, and renewable energy projects worldwide.”
— Dr. Wei Liu, Senior Product Engineer, Redway Battery
Conclusion
The 51.2V 50Ah LiFePO4 Server Rack Battery (PR-LV5150) stands out for its safety, long cycle life, and modular design. Redway Battery’s OEM expertise, global certifications, and inverter compatibility make it the premier choice for wholesale, custom, and industrial energy storage needs.
FAQs
Q: What is the cycle life of the PR-LV5150?
A: Over 6,000–8,000 cycles at 60–80% DoD, with a 20-year design life.
Q: Can the battery be customized for specific projects?
A: Yes, Redway Battery offers OEM/ODM services for capacity, BMS, and communication.
Q: Is the PR-LV5150 compatible with major inverters?
A: Yes, it integrates with Victron, GoodWe, SMA, Growatt, Deye, and more.
Q: What safety features are included?
A: Smart BMS, metal casing, flame-retardant materials, and optional fire suppression.
Q: How quickly can orders be delivered?
A: Standard delivery is 20 days for bulk orders, with global shipping options.
