Description
A dependable and effective lithium iron phosphate battery for off-grid and hybrid ESS System, Server Room, Data Center and Telecom applications is the PM-LV4850-2U-PRO. This battery is ideal for usage in domestic and commercial applications since it has a nominal voltage of 48V and a nominal capacity of 50Ah, giving it a nominal energy of 2.4kWh.
Because of its reliability, effectiveness, and adaptability, the PM-LV4850-2U-PRO is an exceptional battery that is ideal for usage in both residential and commercial settings. The performance of the battery can be easily monitored and controlled thanks to its small size, stack or cabinet installation choices.
Battery Feautres:
High Quality and Long Lifespan
Uses CATL/EVE lithium battery cells, 8000 cycles Lifespan.
High Safety
Uses JBD smart BMS for battery protection.
High Scalability
Max Parallel Connection: 16~64.
Factory Price
Redway is lithium battery factory. We have lithium battery factories in Dongguan and Huizhou in China, specializing in the production of Rack-mounted lithium batteries and various other lithium battery products.
Battery Specifications:
Lithium Cell Type: LiFePO4 (LFP)
Nominal Voltage: 48V
Nominal Capacity: 50Ah
Nominal Energy: 2.4kWh
Max Charge Voltage: 54.75V
Discharge Cut-off Voltage: 37.5V
Dimensions (L*W*H): 410 x 440 x 88.5 mm (2U)
Weight: ~21kg
Max Continuous Charge Current: 50A
Max Continuous Discharge Current: 50A
Max Parallel Connection: 16 (The maximum support can be expanded to 64)
Cycle Life: >8000 Cycles (80%DOD)
Design Life: 20 Years
IP Rating: IP21
Communication: RS485, CAN-bus
Terminal: Single Core Energy Storage Connectors
BMS Monitoring & Protection: Bulit-in smart JBD BMS
User Manual: Yes
Optional Upgrades: Bluetooth, App, PC Software, WiFi, 4G, GPS, RS232, Self-heating, SNMP, TACP, LCD Display, Circuit Breaker, Power Switch, Thermal Aerosol Fire Suppression Device, etc.
Compatible Inverters: Deye, Victron, GOODWE, Sol-Ark, SRNE, Solis, SAJ, Growatt, Luxpower, Voltronic, SMA, FOX, etc.
Charge Temperature: 0~60°C
Discharge Temperature: -20~60°C
Certification: UL 1642, UL 1973, IEC 62619, IEC 62133, CE, RoHS, UN38.3, MSDS
Know More
Why Choose the 48V 50Ah Rack-mounted LiFePO4 Battery for B2B Energy Storage?
The 48V 50Ah rack-mounted LiFePO4 battery delivers high energy density, long cycle life, and advanced safety, making it the preferred choice for B2B energy storage. With robust smart BMS, global certifications, and customization by Redway Battery, it ensures reliable, scalable, and cost-effective solutions for data centers, telecom, and renewable energy integration.
What makes the 48V 50Ah rack-mounted LiFePO4 battery ideal for B2B energy storage?
The 48V 50Ah rack-mounted LiFePO4 battery, such as Redway Battery’s PM-LV4850-2U-PRO, is engineered for demanding B2B environments. Its compact 2U rack design fits standard 19-inch cabinets, providing 2.4kWh of reliable energy with over 8000 cycles at 60% depth of discharge. The modular structure allows parallel expansion up to 36kWh, supporting scalable deployments in data centers, telecom, and industrial backup systems.
Chart: Key Features of 48V 50Ah Rack-mounted LiFePO4 Battery
| Feature |
Specification/Benefit |
| Chemistry |
LiFePO4 (LFP) |
| Nominal Voltage |
48V |
| Capacity |
50Ah (2.4kWh) |
| Cycle Life |
>8000 cycles @ 60% DOD |
| BMS |
Smart, multi-layer protection |
| Scalability |
Up to 15 parallel units |
| Certifications |
CE, IEC, UN38.3, MSDS |
| Applications |
Data centers, telecom, solar |
| Warranty |
Up to 10 years |
| Design Life |
Up to 20 years |
How does the smart BMS ensure safety and reliability?
The smart BMS in the PM-LV4850-2U-PRO monitors voltage, current, and temperature at cell and module levels. It provides real-time protection against overcharge, over-discharge, overcurrent, overheating, and short circuits. With RS485/CAN communication, the BMS enables remote monitoring, diagnostics, and system integration, ensuring operational safety and maximizing battery lifespan.
What are the key specifications and technical highlights of the PM-LV4850-2U-PRO?
The PM-LV4850-2U-PRO features a nominal voltage of 48V, 50Ah capacity, and 2.4kWh energy output. It measures 410 x 440 x 88.5 mm and weighs just 21.5kg, making it ideal for space-constrained installations. The battery supports fast charging, operates from -20°C to 60°C, and has a self-discharge rate below 1% per month. It is compatible with leading inverter brands, ensuring seamless integration.
Chart: Technical Specifications of PM-LV4850-2U-PRO
| Parameter |
Value |
| Nominal Voltage |
48V |
| Capacity |
50Ah |
| Energy |
2.4kWh |
| Dimensions (L x W x H) |
410 x 440 x 88.5 mm |
| Weight |
21.5kg |
| Max Charge/Discharge |
50A |
| Operating Temp (Charge) |
0~55°C |
| Operating Temp (Discharge) |
-20~60°C |
| Cycle Life |
>8000 cycles @ 60% DOD |
| Communication |
RS485 / CAN |
| Parallel Expansion |
Up to 15 units |
Which industries and applications benefit most from this battery?
Industries such as telecommunications, data centers, renewable energy (solar, wind), industrial automation, and healthcare benefit from the PM-LV4850-2U-PRO. Its compact design and high reliability make it ideal for backup power, off-grid systems, UPS, and scalable energy storage in mission-critical environments.
What customization and OEM/ODM options does Redway Battery provide?
Redway Battery offers extensive customization for B2B clients, including tailored voltage, capacity, enclosure design, communication protocols, and optional features like Bluetooth, WiFi, circuit breakers, and LCD screens. OEM/ODM services enable branding, unique connectors, and specialized BMS configurations, ensuring seamless integration into diverse applications.
What certifications and safety standards does this battery meet?
The PM-LV4850-2U-PRO meets CE, IEC, UN38.3, and MSDS certifications, confirming compliance with global safety, environmental, and transportation standards. It can also be upgraded to meet UL1973, IEC62619, and other industry-specific certifications upon request, ensuring suitability for international markets and critical applications.
How does the 48V 50Ah LiFePO4 battery compare to lead-acid and other chemistries?
The 48V 50Ah LiFePO4 battery offers higher energy density, longer cycle life, and superior safety compared to lead-acid and NMC batteries. It is lighter, charges faster, and requires less maintenance. While the upfront cost is higher, the total cost of ownership is lower due to reduced replacements and higher efficiency.
How is installation and maintenance performed for rack-mounted LiFePO4 batteries?
Installation is streamlined with plug-and-play connectors and compatibility with standard 19-inch racks. The battery can be wall or floor mounted. Maintenance is minimal due to the smart BMS, which provides real-time diagnostics and alerts. Routine checks are recommended, but the robust design and low self-discharge minimize ongoing upkeep.
How can buyers evaluate supplier reliability and quality in China?
Buyers should assess supplier certifications (CE, UL, ISO), production capacity, customer feedback, and warranty policies. Reliable suppliers like Redway Battery offer transparent quality control, responsive customer service, and proven track records in timely delivery and after-sales support. Long-term warranties and customization capabilities are also key indicators of supplier reliability.
Why is Redway Battery a top choice for rack-mounted lithium battery solutions?
Redway Battery stands out for its commitment to quality, innovation, and customer satisfaction. With a focus on deep-cycle LiFePO4 batteries and advanced BMS integration, Redway delivers reliable, customizable, and globally certified solutions. Their expertise in OEM/ODM services, robust after-sales support, and competitive pricing make them a preferred partner for B2B energy storage projects.
Redway Battery Expert Views
“Redway Battery’s PM-LV4850-2U-PRO is the result of years of engineering excellence. Our focus on safety, scalability, and customization ensures that every B2B client receives a solution tailored to their needs. With advanced BMS and strict quality control, we deliver batteries that power the future of energy storage.” – Redway Battery Technical Expert
Conclusion
The 48V 50Ah rack-mounted LiFePO4 battery, especially from Redway Battery, sets the benchmark for B2B energy storage. Its advanced safety features, robust certifications, and flexible customization make it the optimal choice for industries requiring reliable, scalable, and efficient power. With proven performance and expert support, it’s the foundation for modern, resilient energy systems.
FAQs
What is the warranty period for Redway’s PM-LV4850-2U-PRO?
Redway Battery offers up to a 10-year warranty, ensuring long-term reliability and support.
Can the battery be expanded for larger systems?
Yes, the modular design allows up to 15 units in parallel, supporting scalable energy storage.
Is the battery suitable for off-grid and hybrid solar systems?
Absolutely. It is compatible with top inverter brands and supports both off-grid and hybrid configurations.
What makes LiFePO4 chemistry safer than other lithium types?
LiFePO4 provides superior thermal and chemical stability, minimizing fire and explosion risks.
Does Redway Battery provide OEM/ODM customization?
Yes, Redway Battery specializes in tailored solutions for unique B2B application needs.
