Description
The Redway PR-LV4850-3U is a compact, rack-mounted lithium iron phosphate (LiFePO4) battery engineered for superior performance in ESS systems, server rooms, telecom, and off-grid applications. With a nominal voltage of 48V and 2.4kWh energy capacity, it ensures consistent, efficient power delivery for commercial setups, making it an ideal solution for businesses seeking long-term, scalable energy storage.
Equipped with CATL/EVE lithium cells and a smart JBD BMS, the battery delivers over 8000 cycles at 80% DOD and a 20-year design life, ensuring durability and cost-efficiency. The modular 3U form factor and light 23kg weight support smooth integration into standard 19-inch rack cabinets, optimizing installation flexibility in tight spaces.
Thanks to its wide inverter compatibility—including Deye, Victron, SMA, Growatt, Sol-Ark, Solis, and more—the PR-LV4850-3U seamlessly adapts to various systems. It supports parallel expansion from 16 to 64 units, allowing users to scale storage capacity effortlessly as energy needs grow.
Featuring IP21 protection, built-in LCD display, RS485/CAN-bus communication, and optional upgrades like Bluetooth, WiFi, GPS, SNMP, and fire suppression, this Redway battery offers cutting-edge performance and safety, all backed by factory-direct pricing from China’s trusted lithium battery manufacturer.
Know More
The 48V 50Ah LiFePO4 LFP Server Rack Battery (PR-LV4850) delivers 2.4kWh of energy, over 6,000–8,000 cycles, and advanced BMS protection in a compact rack-mount design. Redway Battery’s OEM/ODM customization, rapid delivery, and global certifications make it the premier choice for data centers, telecom, solar, and industrial backup at wholesale scale.
What Are the Key Features and Specifications of the 48V 50Ah LiFePO4 Rack Battery?
The PR-LV4850 features a nominal voltage of 48V, 50Ah capacity, and 2.4kWh energy output. It comes in a compact 2U or 3U rack-mount form factor, weighs 21.5–23kg, and operates from -20°C to 60°C. The integrated smart BMS ensures cell balancing, overcurrent, overcharge, overdischarge, and temperature protection.
Chart: PR-LV4850 Key Specifications
| Feature |
Value |
| Nominal Voltage |
48V |
| Capacity |
50Ah |
| Energy |
2.4kWh |
| Cycle Life |
6,000–8,000+ cycles |
| Operating Temp |
-20°C to 60°C |
| Weight |
21.5–23kg |
| Max Parallel Units |
15 |
| Certifications |
CE, IEC, UN38.3, MSDS, UL |
How Does the PR-LV4850 Ensure Safety and Reliability?
The PR-LV4850 is equipped with a multi-level smart BMS that monitors voltage, current, and temperature in real time. It provides robust 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-LV4850 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-LV4850 Meet?
The PR-LV4850 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-LV4850 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-LV4850
| Inverter Brand |
Communication Supported |
| Victron |
CAN, RS485 |
| GoodWe |
CAN, RS485 |
| SMA |
RS485 |
| Growatt |
CAN, RS485 |
| Deye |
CAN, RS485 |
Can the PR-LV4850 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, 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 48V 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-LV4850 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 48V 50Ah LiFePO4 LFP Server Rack Battery (PR-LV4850) 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-LV4850?
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-LV4850 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.
