Description
The 51.2V 50Ah Lithium Battery is a compact, high-efficiency energy solution tailored for OEMs, ODMs, and wholesale buyers. With 2.56 kWh of energy, it supports applications like C&I ESS, data centers, telecom base stations, schools, hospitals, and solar systems, offering reliable power for industrial, commercial, and residential needs.
Key Features
Optimized Energy Storage: Delivering 51.2V voltage and 50Ah capacity, this lithium battery provides 2.56 kWh of energy, ideal for medium-scale energy storage requirements.
Long Cycle Life: Built with LiFePO4 cells, it achieves over 8000 cycles at 80% DOD, ensuring cost-effective, long-term performance.
Scalable Design: Supports parallel connections of up to 16 units (expandable to 32), enabling flexible system expansion for growing energy demands.
Robust Safety: Equipped with a JBD Communication BMS, it protects against overcharging, overheating, and short circuits, while IP21-rated housing ensures durability for indoor installations.
Customizable Upgrades: Optional features like Bluetooth, SNMP, self-heating, CAN-bus, and thermal aerosol fire suppression enhance adaptability for specialized OEM requirements.
Product Description
The 51.2V 50Ah Lithium Battery combines a compact footprint (440 x 440 x 136 mm / 17.3 x 5.3 inches) with a lightweight design (24 kg / 53 lb), making it suitable for space-constrained installations. Its LiFePO4 chemistry ensures stable performance across a wide temperature range (-20¡ãC to 60¡ãC) and minimizes self-discharge to 2% per month.
Certified to UL1642, UL1973, IEC62619, CE, and UN38.3 standards, this battery meets global safety and quality benchmarks. The integrated RS485 communication and compatibility with inverters like Deye, Victron, and Growatt ensure seamless integration into hybrid solar systems, off-grid setups, and industrial power networks.
With a 20-year design life and optional upgrades like WiFi, 4G, or cabinet enclosures, this lithium battery is a future-proof choice for OEMs and manufacturers seeking scalable, reliable energy storage solutions.
Trusted by clients across Europe, Asia, Africa, and the Middle East, the 51.2V 50Ah Lithium Battery delivers unmatched performance for modern energy challenges.
What Are the Advantages of the 51.2V 50Ah Rack-mounted Lithium Battery by RackBattery OEM?
The 51.2V 50Ah Rack-mounted Lithium Battery by RackBattery OEM offers a compact, high-efficiency energy storage solution with 2.56 kWh capacity, advanced LiFePO4 chemistry, over 8000 cycles, and smart BMS protection, ideal for telecom, data centers, and industrial applications.
How Does the 51.2V 50Ah Rack-mounted Lithium Battery Work?
This battery uses lithium iron phosphate (LiFePO4) cells arranged to deliver a nominal voltage of 51.2V and a capacity of 50Ah, providing 2.56 kWh of energy. The integrated Battery Management System (BMS) continuously monitors voltage, current, temperature, and state of charge to ensure safe and efficient operation. It protects against overcharge, over-discharge, short circuits, and thermal issues, optimizing battery life and performance in rack-mounted environments.
What Are the Key Technical Specifications of This Battery?
| Specification | Details |
|---|---|
| Battery Chemistry | Lithium Iron Phosphate (LiFePO4) |
| Nominal Voltage | 51.2 V |
| Capacity | 50 Ah |
| Energy Capacity | 2.56 kWh |
| Dimensions (L×W×H) | 410 × 440 × 88.5 mm (2U rack) |
| Weight | Approx. 23 kg |
| Cycle Life (@60% DOD) | Over 8000 cycles |
| Max Continuous Current | 50 A |
| Operating Temperature Range | Charge: 0–55°C; Discharge: -20–60°C |
| Communication Interfaces | RS485, CAN |
| Certifications | UL1973, UL1642, CE, UN38.3 |
These specs highlight a balance of power, longevity, and compactness ideal for server racks and critical infrastructure.
Which Industries Benefit Most from Rack-mounted Lithium Batteries?
Industries that rely heavily on uninterrupted power and efficient energy storage include:
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Telecommunications: Backup power for base stations and network equipment.
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Data Centers: Reliable energy storage for uninterruptible power supply (UPS) systems.
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Renewable Energy: Solar and wind energy storage solutions.
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Industrial Automation: Powering control systems and emergency backup.
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Off-grid and Hybrid Systems: Modular energy storage for remote or hybrid setups.
RackBattery’s 51.2V 50Ah battery’s modular design and scalability make it a versatile choice across these sectors.
Why Is LiFePO4 Chemistry Preferred for Rack-mounted Batteries?
LiFePO4 chemistry offers superior thermal stability, safety, and longer cycle life compared to other lithium-ion chemistries. It is less prone to overheating and thermal runaway, providing a safer solution for dense rack environments. Additionally, LiFePO4 batteries maintain stable voltage output and have a lifespan exceeding 20 years under proper conditions, reducing replacement frequency and operational costs.
How Does RackBattery Ensure Quality and Safety?
RackBattery applies over 20 years of manufacturing expertise, adhering to international standards such as ISO 9001:2015, UL1973, UL1642, and UN38.3. Their rigorous quality control includes advanced R&D, precise cell selection, and comprehensive testing. The company’s smart BMS technology enhances safety by monitoring critical parameters and providing real-time data, ensuring reliable operation in demanding applications.
Can the 51.2V 50Ah Battery Be Customized?
Yes, RackBattery offers OEM and ODM customization options including capacity, communication protocols (RS485, CAN), casing design, and additional features such as Bluetooth, LCD displays, and thermal management upgrades. This flexibility supports tailored solutions for specific client needs and system integrations.
How Is This Battery Integrated with Existing Systems?
The battery supports standard communication protocols like RS485 and CAN, enabling seamless integration with popular inverters and energy management systems such as Victron, GOODWE, and SMA. Its compact 2U rack form factor fits standard 19-inch cabinets, allowing easy installation in existing infrastructure with scalable parallel connectivity.
What Are the Environmental Benefits of Using RackBattery’s LiFePO4 Batteries?
LiFePO4 batteries are environmentally friendly due to their non-toxic materials, absence of cobalt, and recyclability. Their extended cycle life reduces waste and the frequency of replacements. RackBattery emphasizes sustainability by using eco-conscious materials and designing products that comply with global environmental standards.
How Can Users Maximize Battery Life and Performance?
To extend lifespan, operate the battery within recommended temperature ranges and avoid deep discharges beyond 60-80% depth of discharge. Utilize the smart BMS for optimal charge management and monitor battery health regularly. Proper ventilation and thermal management in rack enclosures also help maintain performance and safety.
When Should Businesses Upgrade to Rack-mounted Lithium Batteries?
Businesses should consider upgrading when seeking higher energy density, longer lifespan, reduced maintenance, and improved safety compared to traditional lead-acid or older battery technologies. Rack-mounted lithium batteries like this model provide scalable, efficient, and eco-friendly power solutions for modern energy demands.
RackBattery Expert Views
“The 51.2V 50Ah Rack-mounted Lithium Battery by RackBattery OEM exemplifies the future of energy storage in critical infrastructure. Its advanced LiFePO4 chemistry combined with a sophisticated BMS ensures unmatched safety, longevity, and performance. RackBattery’s commitment to customization and quality control allows clients to deploy tailored solutions that meet evolving energy needs across telecom, data centers, and renewable energy sectors. This battery is a reliable cornerstone for sustainable, high-efficiency power systems.” — Senior Battery Engineer, RackBattery
