Description
The Redway PM-LV4850-3U is an advanced LiFePO4 rack-mounted battery designed to provide efficient and dependable energy storage for commercial applications such as hybrid and off-grid ESS systems, server rooms, data centers, and telecom infrastructure. Featuring a nominal voltage of 48V and a capacity of 50Ah, this battery delivers 2.4kWh of energy with a flexible working voltage range from 37.5V to 54.75V, adapting perfectly to diverse energy demands.
Its modular 3U design allows businesses to customize energy storage solutions easily, with support for parallel connections from 16 up to 64 units, ensuring scalability as your power needs grow. Despite its robust performance, the PM-LV4850-3U is compact and lightweight at just 23kg, fitting seamlessly into standard 19-inch rack cabinets.
Built with high-quality CATL/EVE lithium cells and equipped with a smart JBD BMS, it offers superior safety and a long cycle life of over 8000 cycles at 80% DOD, backed by a 20-year design life. The battery’s IP21 rating ensures protection against dust and water ingress in indoor environments.
Compatible with leading inverter brands such as Victron, Deye, SMA, Sol-Ark, Growatt, and more, the PM-LV4850-3U provides a cost-effective, reliable, and scalable energy storage solution to keep your business powered smoothly for years.
Know More
Why Choose the 48V 50Ah Rack-mounted LiFePO4 Battery (PM-LV4850-3U) for Energy Storage?
The 48V 50Ah rack-mounted LiFePO4 battery (PM-LV4850-3U) offers high energy density, long cycle life, robust safety, and modular scalability. Redway Battery’s advanced engineering, smart BMS, and global certifications make this battery ideal for telecom, solar, and critical backup applications, ensuring reliable, efficient, and customizable energy storage for modern needs.
What is the 48V 50Ah Rack-mounted Lithium LiFePO4 Battery (PM-LV4850-3U)?
The PM-LV4850-3U is a 48V 50Ah lithium iron phosphate (LiFePO4) battery module engineered for rack-mounted energy storage. With a nominal energy output of 2.4kWh and a compact 3U form factor, it is tailored for server rooms, telecom systems, off-grid power, and backup solutions requiring reliability and space efficiency.
Chart: Core Specifications of PM-LV4850-3U
| Attribute |
Specification |
| Nominal Voltage |
48V |
| Capacity |
50Ah |
| Energy |
2.4kWh |
| Dimensions (L x W x H) |
440 x 440 x 136 mm |
| Weight |
23kg |
| Cycle Life (@60% DOD) |
>8000 cycles |
| Max. Parallel Units |
16 |
| Communication |
RS485, CAN bus |
| Operating Temp (Discharge) |
-20°C to 60°C |
| Warranty |
Up to 10 years |
What are the key features and technical specifications of the PM-LV4850-3U?
The PM-LV4850-3U stands out with a compact rack-mount design, high energy density, and over 8000 cycles at 60% depth of discharge. Its smart BMS ensures protection from overcharge, overdischarge, and short circuits. The battery supports fast charging, parallel expansion, and is compatible with major inverter brands, making it versatile for various energy storage needs.
Chart: Key Technical Features
| Feature |
Details |
| Chemistry |
LiFePO4 |
| Max Charge/Discharge |
50A continuous |
| Fast Charging |
Supported |
| Operating Humidity |
<30% |
| IP Grade |
IP21 (upgradeable) |
| Customization |
OEM/ODM available |
| Monitoring |
LCD, optional Bluetooth/WiFi/APP |
| Certifications |
CE, IEC, UN38.3, MSDS |
How long is the cycle life and what is the expected lifespan?
The PM-LV4850-3U delivers over 8000 cycles at 60% DOD and more than 6000 cycles at 80% DOD, translating to a design life of up to 20 years. This longevity ensures a low total cost of ownership and reliable performance for long-term energy storage projects.
Can multiple PM-LV4850-3U batteries be connected for scalable storage?
Yes, up to 16 PM-LV4850-3U modules can be connected in parallel, expanding total storage capacity to over 38kWh. This modularity allows users to tailor their energy systems for residential, commercial, or industrial requirements, adapting easily to growing energy demands.
What safety and protection features are included in the PM-LV4850-3U?
The battery is equipped with a smart BMS that provides comprehensive protection against overcharge, overdischarge, overcurrent, overheating, and short circuits. The metal case, IP21 rating, and optional upgrades further enhance safety, ensuring stable operation even in demanding environments.
What certifications and industry standards does the battery comply with?
Redway Battery’s PM-LV4850-3U complies with international standards including CE, IEC, UN38.3, and MSDS, ensuring safety, quality, and transportability. These certifications confirm the battery’s suitability for global markets and critical applications.
What are the ideal applications for a 48V 50Ah rack-mounted LiFePO4 battery?
This battery is ideal for telecom backup, server rooms, data centers, solar energy storage, off-grid systems, and industrial UPS. Its compact design, scalability, and robust performance make it a preferred solution for environments requiring uninterrupted, high-quality power.
How does the smart BMS improve performance and reliability?
The smart BMS continuously monitors cell voltage, temperature, and current, balancing cells for optimal performance and protecting against electrical faults. Features like remote monitoring and communication with inverters ensure system reliability and proactive maintenance.
Why choose Redway Battery as your rack-mounted LiFePO4 supplier?
Redway Battery is a leading manufacturer with a reputation for quality, innovation, and customization. With factories in Dongguan and a global reach, Redway offers OEM/ODM flexibility, fast delivery, and comprehensive support, making them a trusted partner for mission-critical energy storage solutions.
What are the future trends and innovations in rack-mounted lithium battery technology?
Future trends include higher energy density, AI-driven BMS diagnostics, advanced remote management, and seamless integration with renewables and smart grids. Redway Battery is actively developing next-generation solutions to meet evolving global energy needs.
Redway Battery Expert Views
“At Redway Battery, our commitment to innovation and safety drives the evolution of rack-mounted LiFePO4 technology. The PM-LV4850-3U exemplifies our focus on reliability, scalability, and customer-centric solutions, empowering industries to achieve efficient, secure, and sustainable energy storage.”
– Redway Battery Technical Team
Conclusion
The 48V 50Ah rack-mounted LiFePO4 battery (PM-LV4850-3U) delivers superior safety, long life, and modular scalability for modern energy storage. With Redway Battery’s expertise, smart BMS, and global certifications, this battery is an ideal choice for businesses and integrators seeking efficient, reliable, and customizable power solutions.
FAQs
What makes the PM-LV4850-3U battery stand out?
Its high cycle life, smart BMS, and modular design provide reliable, long-term energy storage for critical applications.
How long will a 48V 50Ah LiFePO4 battery last?
With proper use, expect over 8000 cycles and a lifespan of up to 20 years.
Can these batteries be used for solar and telecom backup?
Yes, they are widely used in solar storage, telecom, data centers, and industrial UPS systems.
What certifications does the PM-LV4850-3U hold?
CE, IEC, UN38.3, and MSDS, meeting international safety and quality standards.
Why choose Redway Battery for rack-mounted solutions?
Redway Battery offers advanced technology, OEM/ODM flexibility, and global support, ensuring top-tier quality and service.
