Description
The PR-LV4850-2U-PRO is a high-performance 48V 50Ah LiFePO4 rack-mounted battery engineered for energy storage systems, server rooms, data centers, and telecom applications. With a nominal energy of 2.4kWh and compact 2U design (410 x 440 x 88.5 mm), it offers exceptional energy density without occupying much space. Weighing only 21kg, it’s easy to transport and install in standard 19” racks.
Built with premium CATL/EVE lithium cells and protected by a smart JBD BMS, this battery delivers over 8000 cycles at 80% depth of discharge (DOD) and a design life of up to 20 years. It supports a voltage range of 37.5V–54.75V and handles 50A continuous charge/discharge current with stable performance across wide temperature ranges (charge: 0–60°C, discharge: -20–60°C).
Communication is enabled through RS485 and CAN-bus, ensuring compatibility with leading inverter brands including Victron, SMA, Deye, Solis, and Growatt. The battery also supports parallel expansion up to 64 units, offering excellent scalability. Optional features like Bluetooth, LCD display, WiFi, and SNMP are available. Certified to UL1642, UL1973, IEC62619, CE, RoHS, UN38.3, the PR-LV4850-2U-PRO ensures safety, reliability, and long-term performance.
Know More
The 48V 50Ah LiFePO4 rack battery (PR-LV4850-PRO) delivers 2.4kWh of energy, 8,000+ cycles, and a compact 2U form factor for seamless server rack integration. Redway Battery offers OEM/ODM customization, advanced BMS protection, and global certifications, making this battery a top choice for data centers, telecom, solar, and backup power solutions.
What Is the 48V 50Ah LiFePO4 Rack Battery and How Does It Work?
The 48V 50Ah LiFePO4 rack battery is a modular energy storage solution using lithium iron phosphate chemistry for high safety and long cycle life. It operates at a nominal voltage of 48V, stores 2.4kWh per unit, and integrates a smart BMS that balances cells, monitors performance, and protects against electrical faults.
Chart: Key Specifications of PR-LV4850-PRO
| Specification |
Value |
| Nominal Voltage |
48V |
| Capacity |
50Ah |
| Energy |
2.4kWh |
| Dimensions |
410 x 440 x 88.5 mm (2U) |
| Weight |
21.5 kg |
| Cycle Life |
>8,000 cycles @ 80% DoD |
| Max Charge/Discharge |
50A |
How Does the PR-LV4850-PRO Ensure Safety and Reliability?
The PR-LV4850-PRO features a smart Battery Management System (BMS) that provides protection against overcharge, over-discharge, overcurrent, and short circuits. The robust metal case, IP21 rating, and optional upgrades like fire suppression and active balancing further enhance operational safety and reliability.
Which Applications Are Best Suited for the 48V 50Ah LiFePO4 Rack Battery?
This battery excels in server rooms, data centers, telecom base stations, solar energy storage, and backup power systems. Its compact rack-mount design and high discharge rate make it ideal for both residential and commercial installations requiring uninterrupted and scalable energy.
What Customization and OEM Services Does Redway Battery Provide?
Redway Battery offers extensive OEM/ODM services, allowing clients to tailor battery capacity, dimensions, BMS features, and communication protocols (RS485, CAN, Bluetooth, WiFi). Custom branding, fast delivery, and flexible payment terms make Redway a preferred partner for wholesale buyers worldwide.
How Does the PR-LV4850-PRO Compare to Other Rack-Mounted Lithium Batteries?
Compared to traditional lead-acid and other lithium chemistries, the PR-LV4850-PRO offers higher energy density, longer cycle life, and better thermal stability. Its efficiency exceeds 98%, and it supports up to 15 parallel units for large-scale energy storage.
Chart: LiFePO4 vs. Lead-Acid Rack Battery Comparison
| Feature |
PR-LV4850-PRO (LiFePO4) |
Lead-Acid Rack Battery |
| Energy Density |
High |
Low |
| Cycle Life |
>8,000 cycles |
500–1,000 cycles |
| Maintenance |
None |
Regular |
| Weight |
21.5 kg |
40+ kg |
| Depth of Discharge |
80% |
50% |
What Certifications and Standards Does the PR-LV4850-PRO Meet?
The PR-LV4850-PRO is certified to CE, IEC, UN38.3, and MSDS standards, ensuring compliance with international safety and transport regulations. Redway Battery’s strict quality control and global certifications guarantee reliability for OEM and wholesale clients.
How Do You Evaluate a Reliable 48V 50Ah Battery Supplier in China?
A reliable supplier should have strong certifications, a proven track record, transparent quality control, and responsive customer service. Redway Battery stands out with its advanced manufacturing in Dongguan and Huizhou, 10-year warranty, and positive global client feedback.
What Are the Key Features and Benefits of the PR-LV4850-PRO?
Key features include compact 2U rack design, high energy density, long lifespan, fast charging, and compatibility with leading inverter brands (Victron, SMA, Goodwe, Growatt, Deye). The smart BMS, modular scalability, and customizable options make it a superior choice for modern energy storage.
What Safety Standards Govern Rack-Mounted Lithium Batteries?
Rack-mounted lithium batteries must comply with UL1973, IEC62619, and UN38.3 standards, covering thermal management, electrical safety, and structural integrity. The PR-LV4850-PRO meets or exceeds these global standards, ensuring safe operation in demanding environments.
Can the PR-LV4850-PRO Be Used in Parallel for Large-Scale Storage?
Yes, up to 15 units can be connected in parallel, scaling total energy storage to 36kWh. This modularity supports expanding needs in data centers, commercial solar installations, and microgrids, offering flexible and reliable power solutions.
Redway Battery Expert Views
“Our PR-LV4850-PRO battery is engineered for high reliability and flexibility, meeting the needs of modern data centers and energy storage projects. With advanced LiFePO4 cells, a robust BMS, and full OEM support, Redway Battery delivers scalable, safe, and efficient solutions for global clients.”
— Dr. Mei Zhang, Senior Engineer, Redway Battery
Conclusion
The 48V 50Ah LiFePO4 rack battery (PR-LV4850-PRO) stands out for its safety, long cycle life, and adaptability. With Redway Battery’s OEM expertise, advanced BMS, and international certifications, it is the premier choice for wholesale, custom, and industrial energy storage solutions.
FAQs
Q: What is the cycle life of the PR-LV4850-PRO?
A: Over 8,000 cycles at 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-LV4850-PRO compatible with major inverters?
A: Yes, it integrates with Victron, SMA, Goodwe, Growatt, Deye, and more.
Q: What safety features are included?
A: Advanced BMS, metal casing, IP21 rating, and optional fire suppression.
Q: How quickly can orders be delivered?
A: Standard delivery is 20 days for bulk orders, with global shipping options.
