LiFePO4 Rack-Mounted Lithium Battery 25.6V & 48V-Why choose ONESUN OEM ODM Solutions?-OneSun

Rack Mount LiFePO4 Battery 25.6V 200Ah & 48V 100Ah / 200Ah / 314Ah | OEM & ODM Lithium Battery Solutions by ONESUN

With the rapid development of global energy transition and smart power systems, high-performance lithium batteries have become the driving force behind the green energy revolution. As a leading lithium battery system manufacturer, ONESUN (Shenzhen OneSun Technology) leverages over 10 years of technical expertise and a global vision to deliver a wide range of lithium battery products along with professional OEM and ODM customization services.

In particular, ONESUN demonstrates strong capabilities in Rack Mount LiFePO4 Battery solutions, covering mainstream models such as 25.6V 200Ah and 48V 100Ah, 200Ah, and 314Ah. These high-capacity rack-mounted lithium batteries are widely used by global system integrators, energy solution providers, telecom operators, and industrial equipment manufacturers, making ONESUN a trusted long-term partner worldwide.

R-51.2V 200AH-Communication rack battery

World-Class Technology – High-Efficiency and Stable LiFePO4 Batteries

ONESUN’s rack mount lithium iron phosphate battery series adopts advanced LiFePO4 (Lithium Iron Phosphate) chemistry, known for superior safety, long cycle life, and stable performance. Compared with traditional battery technologies, LiFePO4 batteries offer higher thermal stability, enhanced durability, and consistent voltage output, making them ideal for demanding energy storage applications.

For example, the 48V 200Ah Rack Mount LiFePO4 Battery provides approximately 9.6kWh of reliable energy, specifically designed for telecom base stations, data centers, industrial backup power systems, and solar energy storage systems. The standard rack-mounted design ensures easy installation, modular expansion, and convenient maintenance.

In addition, ONESUN’s product portfolio includes 25.6V 200Ah, 51.2V 100Ah, 51.2V 200Ah, and 51.2V 314Ah lithium battery modules, covering energy storage needs from small residential systems to large-scale commercial and industrial applications. All models support flexible parallel connection, enabling scalable energy capacity according to project requirements.

Safety and Reliability – Advanced BMS Protection System

Safety is critical in lithium battery applications. Every ONESUN rack mount lithium battery is equipped with a high-performance Battery Management System (BMS). The intelligent BMS continuously monitors voltage, current, temperature, and SOC (State of Charge), providing multi-level protection against overcharge, over-discharge, overcurrent, short circuit, and temperature abnormalities.

This comprehensive protection system ensures long-term stability, extended service life, and safe operation in various working environments.

To meet international market requirements, ONESUN strictly follows global certification standards. Its lithium battery products typically comply with UN38.3, CE, and MSDS certifications, helping customers smoothly enter overseas markets and pass transportation and safety regulations.

OEM & ODM Lithium Battery Manufacturer – One-Stop Custom Solutions

In today’s competitive energy market, customization capability is a key advantage. ONESUN provides complete OEM (Original Equipment Manufacturing) and ODM (Original Design Manufacturing) services, covering the entire process from concept design and prototype development to testing, validation, and mass production.

Customers can customize voltage, capacity, battery enclosure structure, communication protocols, BMS parameters, and branding based on specific application requirements. Whether for telecom systems, industrial equipment, data center backup power, off-grid solar systems, hybrid energy storage solutions, or specialized electric vehicles and automation devices, ONESUN offers tailored lithium battery solutions to enhance product competitiveness.

With an experienced engineering team and strong R&D capabilities, ONESUN helps partners optimize system performance, reduce development time, and accelerate market entry.

Global Service Network – Supporting International Market Growth

Brand	Support
Model	Support
Country of Origin	China
Dimension (W, D, H)	W & D ≤560mm, H (Specify)
IP Degree	≥ IP50
Power System Controllers Compatible List	Attach the List
Cells are Replaceable	Support
Scalability	≥ 15 Pack Connected in Parallel
Application	Telecom-Grade
Installation Mode	Rack Mounted
Energy Density (Wh/kg)	≥ 150
Pack Passive Protection (CB)	Support
Cell Information
Brand	EVE
Model	Support
Date of Manufacture	Not Exceed 6 Months
Cell Chemistry & Technology	LiFePO4 (LFP)
Pack Operating Conditions
Operating Temperature (Charging)	0°C - 55°C
Operating Temperature (Discharging)	≤ -10 - ≥ 60°C
Storage Temperature	≤ -10 - ≥ 60°C
Self Discharge Rate/Month @25°C	≤ 2%
Relative Humidity (RH%)	0 - ≥ 80% Non-Condensed
Service Life
Cycle Life	≥6000 Cycles @ ( ≥ 80% DoD, ≥ 25°,0.2C )
Calendar Life	≥ 10 Years @ ( ≥ 25°C)
BMS Specs
Automatic Cell Balancing	Support
Cell Balancing Technology	Active Balancing
Balancing Current	≥ 1.5A
Temperature Sensors	≥ 4
Operating Temperature	≤ -20 - ≥85°C
BMS Components	Automotive-Grade or Higher
Historical Data Logs	≥ 50000 Record
Data File Management	Export Data Logs Capeability
Auto Addressing	Support
BMS Protection Functions
Charge Overcurrent Protection	Support
OCP Alarm [Value, Hysteresis, Delay Time]	Support
OCP Fault [Value, Hysteresis, Delay Time]	Support
Discharge Overcurrent Protection	Support
OCP Alarm [Value, Hysteresis, Delay Time]	Support
OCP Fault [Value, Hysteresis, Delay Time]	Support
Overvoltage Protection	Support
OVP Alarm [Value, Hysteresis, Delay Time]	Support
OVP Fault [Value, Hysteresis, Delay Time]	Support
Undervoltage Protection	Support
UVP Alarm [Value, Hysteresis, Delay Time]	Support
UVP Fault [Value, Hysteresis, Delay Time]	Support
Charge Overtemperature Protection	Support
OTP Alarm [Value, Hysteresis, Delay Time]	Support
OTP Fault [Value, Hysteresis, Delay Time]	Support
Discharge Overtemperature Protection	Support
OTP Alarm [Value, Hysteresis, Delay Time]	Support
OTP Fault [Value, Hysteresis, Delay Time]	Support
Charge Undertemperature Protection	Support
UTP Alarm [Value, Hysteresis, Delay Time]	Support
UTP Fault [Value, Hysteresis, Delay Time]	Support
Discharge Undertemperature Protection	Support
UTP Alarm [Value, Hysteresis, Delay Time]	Support
UTP Fault [Value, Hysteresis, Delay Time]	Support
Capacity Protection	Support
Low Capacity Protection Alarm [Value, Hysteresis, Delay Time]	Support
Low Capacity Protection Fault [Value, Hysteresis, Delay Time]	Support

Safety	IEC 62619, IEC62368
Status & Alarm LEDs
SoC Indicator	Support
Charge Indicator	Support
Discharge Indicator	Support
Run Indicator	Support
Alarm Indicator	Support
Documents & Graphs
BMS Data Sheet	Support
BMS Installation & Operation User Manual	Support
Pack Data Sheet	Support
Pack Installation & Operation User Manual	Support
Pack Maintenance and Troubleshooting User Manual	Support
Software Configuration Manual	Support
Factory Test Reports FTR	Support
Origin Certificate	Support
Connection Diagrams	Support
Self Discharge at Different Temperature Graph	Support
Cycle Life at Different DoD and Different Temp Graph	Support
Charge Performance at Different Temperature Graph	Support
Discharge Performance at Different Temperature Graph	Support
State of Charge (SoC) at Different Discharge Rate Graph	Support
Technical Specifications
Rated (Nominal) Voltage [V]	51.2
Rated Capacity Ah (0.2C, 25°C)	100/150/200
Rated Energy Wh (0.2C, 25°C)	Specify
End-of-Discharge Voltage [V]	≥ 44.8V
Recommended Charge Current [C-Rate]	≥ 0.5C
Recommended Discharge Current [C-Rate]	≥ 0.5C
Max. Continuous Charge Current [C-Rate]	≥ 1C
Max. Continuous Discharge Current [C-Rate]	≥ 1C
Peak Charge Current [C-Rate]	≥ 1.2C
Peak Discharge Current [C-Rate]	≥ 1.2C
Recommended Charge Current [In Parallel] [C-Rate]	≥ 0.5C
Recommended Discharge Current [In Parallel] [C-Rate]	≥ 0.5C
Charge Voltage [V]	56.0V - 57.6V, configurable via BMS
Pack Internal Impedance	≤ 30mΩ
Management & Monitoring
Full Local Monitoring & Management	Support
Supported Local Communication Protocols	Specify
PC Software, Drivers & Local Communication Cable	Support
Supported Remote Communication Protocols	Specify (TCP/IP, Modbus, SNMP, Other)
Supported Wireless Communication	WiFi, or Bluetooth
Supported Mobile Apps.	Android
Supported GNSS	Integrated GPS required. Support for GLONASS/Galileo/BeiDou is preferred
Accessories
DC Power Cables (Positive & Negative)	Length: 1m, CSA: 35mm2
LFP - LFP Communication Cable	LFP - LFP Communication Cable
Power System Controller - LFP Communication Cable	Length: ≥ 2m
Ground Wires	HAVE
Support & Warranty
Warranty Period	≥ 7 Years Or 6000 Cycles
Warranty Scope	Warranty shall be valid provided the battery is used within the specified operating conditions and with approved compatible equipment. Warranty shall cover defects in materials and workmanship, including premature capacity degradation below 80% of rated capacity within the warranty period
Manufacturer Support (Website/WhatsApp/Direct Call)	WhatsApp/Direct Call
Training
Training for 8 Engineers	Brief training for personnel with technical background and experience is provided free of charge. Zero-base training requires an additional fee.

ONESUN products and solutions have been exported to over 70 countries and regions, with more than 3GW of cumulative energy project deliveries worldwide. The company maintains a high customer satisfaction rate and provides comprehensive technical support, from pre-sales consultation to after-sales service.

Whether in mature markets such as North America and Europe, or fast-growing regions including Asia, the Middle East, and Africa, ONESUN delivers responsive technical assistance and localized service solutions, helping customers overcome market barriers and achieve sustainable business growth.

More Than a Battery Supplier – Your Strategic Energy Partner

As global demand for high-performance lithium batteries continues to rise, ONESUN stands out with advanced technology, strict quality control, and professional OEM/ODM manufacturing services. From individual battery modules to complete energy storage systems, ONESUN provides reliable, scalable, and efficient solutions.

Choosing ONESUN means more than selecting a Rack Mount LiFePO4 Battery manufacturer — it means partnering with a long-term, globally trusted energy solutions provider.

Article Source: Lithium battery manufacturer - ONESUN China

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