Comprehensive Guide to 48V 100Ah Rack-mounted LiFePO4 Batteries by Redway Battery

Lithium batteries have become a cornerstone of modern energy storage, powering everything from server rooms and telecom systems to off-grid solar installations. Among these, 48V 100Ah rack-mounted LiFePO4 batteries stand out for their high performance, safety, and scalability. This article provides a detailed overview of these batteries, their specifications, applications, and advantages, helping manufacturers, OEMs, and energy system planners understand their potential.

Overview of 48V 100Ah LiFePO4 Batteries

The Redway Battery PM-LV48100-3U-PRO is a high-quality lithium iron phosphate (LiFePO4) battery designed for reliability and efficiency. With a nominal voltage of 48V and a capacity of 100Ah, it delivers 4.8kWh of energy per module. Its rack-mounted 3U design fits standard 19-inch server cabinets, allowing easy integration in data centers, telecom systems, and hybrid energy storage setups. Weighing only 40kg, these batteries are easy to handle and install.

Key features include:

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  • Long lifespan with >8000 cycles at 80% DOD

  • High safety with JBD smart BMS

  • Scalable parallel connections up to 64 modules

  • Optional upgrades like Bluetooth, WiFi, 4G, GPS, SNMP, LCD displays, and fire suppression systems

These features make Redway Battery’s rack-mounted LiFePO4 packs an ideal choice for both commercial and industrial applications.

Technical Specifications

The PM-LV48100-3U-PRO battery combines compact design, safety, and high efficiency.

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Specification Details
Battery Type LiFePO4 (LFP)
Nominal Voltage 48V
Nominal Capacity 100Ah
Nominal Energy 4.8kWh
Max Charge Voltage 54.75V
Discharge Cut-off Voltage 37.5V
Dimensions (L×W×H) 440 x 440 x 136 mm (3U)
Weight ~40kg
Max Continuous Charge/Discharge 100A
Parallel Connection 16 modules standard, expandable to 64
Cycle Life >8000 cycles
Design Life 20 years
IP Rating IP21
Communication RS485, CAN-bus
BMS Built-in JBD smart system

This table highlights the battery’s ability to handle heavy-duty cycles while maintaining safety and efficiency.

Applications and Benefits

Energy Storage Systems (ESS)

LiFePO4 batteries are ideal for off-grid solar and hybrid systems. They provide stable, reliable energy for homes, commercial buildings, and renewable energy setups.

Data Centers and Server Rooms

Rack-mounted design ensures easy installation in 19-inch cabinets, offering uninterrupted power supply for critical IT infrastructure.

Telecom Systems

Redway Battery’s modules can support telecom equipment, ensuring stable operations in both central and remote network sites.

Scalability and Flexibility

Parallel connections enable large-scale energy storage. Multiple modules can be integrated to meet increasing energy demands without compromising safety or performance.

Performance and Safety Features

Redway Battery prioritizes high-quality cells from CATL or EVE, paired with a smart BMS that monitors voltage, current, and temperature in real-time. Key safety and performance aspects include:

  • Overcharge and over-discharge protection

  • Overcurrent and short circuit protection

  • Temperature monitoring for charge/discharge

  • Optional fire suppression and thermal management systems

These features ensure long-term reliability, making the batteries suitable for demanding industrial and commercial use.

Redway Expert Views

“Rack-mounted LiFePO4 batteries are transforming energy storage for critical infrastructure. With their modular design, long lifecycle, and advanced BMS, these batteries not only provide reliable power but also offer significant cost savings over time. At Redway Battery, we emphasize safety, scalability, and customization, ensuring our clients can expand energy storage solutions without compromise. This technology is particularly impactful for server rooms and hybrid renewable energy systems where reliability and efficiency are paramount.”

Optional Upgrades and Customization

Redway Battery offers multiple options for enhancing functionality:

  • Connectivity: Bluetooth, WiFi, 4G, GPS, SNMP, TACP

  • Monitoring: LCD display, PC software

  • Safety: Circuit breakers, self-heating modules, thermal fire suppression

  • Compatibility: Works with inverters from Deye, Victron, GOODWE, Sol-Ark, Growatt, SMA, Luxpower, and others

These options enable OEMs and system integrators to tailor energy storage solutions to their specific requirements.

Certifications and Compliance

Redway Battery ensures international compliance for safety and quality:

  • UL 1642, UL 1973

  • IEC 62133, IEC 62619

  • CE, RoHS, UN38.3, MSDS

Such certifications guarantee safe operation in commercial, industrial, and off-grid applications.

Visual Comparison: Cycle Life vs. Depth of Discharge

Depth of Discharge (DOD) Estimated Cycle Life
80% >8000 cycles
60% ~12,000 cycles
50% ~15,000 cycles

This chart demonstrates how maintaining moderate DOD can further extend battery longevity.

Conclusion

The Redway Battery 48V 100Ah rack-mounted LiFePO4 system combines safety, high performance, and modularity for professional energy storage applications. Its long lifespan, smart BMS, and scalable design make it a reliable solution for server rooms, ESS, telecom, and hybrid energy setups. For manufacturers, OEMs, and energy integrators, selecting Redway Battery ensures quality, reliability, and adaptability—backed by advanced factories, full OEM/ODM support, and global service networks.

Actionable Advice: When planning large-scale energy storage, consider modular rack-mounted LiFePO4 batteries for ease of expansion, safety, and long-term cost efficiency. Always monitor depth of discharge to maximize cycle life.

FAQs

What is the lifespan of the Redway 48V 100Ah battery?
The battery offers over 8000 cycles at 80% depth of discharge, with a design life of 20 years.

Can multiple batteries be connected in parallel?
Yes, up to 16 batteries standard, expandable to 64 modules, allowing large-scale energy storage.

Is the battery safe for indoor installation?
Yes, it has an IP21 rating and features a smart BMS for overcharge, over-discharge, and thermal protection.

Which inverters are compatible with this battery?
It works with popular brands including Deye, Victron, GOODWE, Sol-Ark, SMA, Growatt, Luxpower, and Voltronic.

Are customization options available?
Redway Battery provides OEM/ODM options including Bluetooth, WiFi, 4G, GPS, LCD displays, fire suppression systems, and more.

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Shenzhen Redway Power, Inc

Tel: +86 189 7608 1534
Tel: +86 (755) 2801 0506
E-mail: contact@redwaybattery.com
Website: www.redway-tech.com
Youtube: @RedwayPower
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