Rack lithium batteries for OEM applications typically feature voltages of 24V, 48V, or 51.2V and capacities from 50Ah to 300Ah, utilizing LiFePO4 chemistry for enhanced safety and longevity. Redway Battery, a leading Chinese manufacturer, offers customizable options that include intelligent Battery Management Systems (BMS) tailored for telecom, solar, and server racks, providing over 6000 cycles and scalable designs.
What Are Standard Voltage Options?
Rack lithium batteries for OEM use standard voltages of 24V, 48V, and 51.2V to match telecom, solar, and server systems. These voltages provide efficient power delivery while fitting 19-inch racks seamlessly.
Redway Battery, based in Shenzhen, offers customized solutions, such as 48V batteries for telecom backup systems and 51.2V for energy storage systems. These voltages align with global standards, ensuring compatibility with inverters and chargers. Notably, Redway also offers flexible parallel configurations, allowing for up to 16 units to be connected, enhancing scalability for large projects. Their modular designs are tailored to meet varying needs, perfect for B2B applications and wholesale buyers.
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What Capacities Are Available for OEM?
OEM rack lithium batteries offer capacities ranging from 50Ah to 300Ah, providing energy outputs between 2.5kWh and 15kWh per unit. Larger capacities are ideal for data centers, while smaller ones cater to edge computing needs.
Redway Battery offers capacities like 100Ah at 48V for a 5kWh runtime, focusing on LiFePO4 technology, which ensures a 100% Depth of Discharge (DoD). Their automated factories produce models ranging from 100Ah to 280Ah, providing flexibility for various applications. Whether it’s for telecom, RVs, or solar energy storage systems, Redway Battery’s scalable solutions allow businesses to select the ideal capacity based on their specific requirements.
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| Voltage | Capacity Range (Ah) | Energy (kWh) | Typical OEM Use | Rack Size |
|---|---|---|---|---|
| 24V | 100-300 | 2.4-7.2 | Servers | Custom |
| 48V | 50-100 | 2.4-4.8 | Telecom | 2U-3U |
| 51.2V | 100-280 | 5.1-14.3 | Solar ESS | 3U-5U |
Why Choose LiFePO4 for Rack Batteries?
LiFePO4 chemistry excels in OEM rack batteries due to its ability to provide over 6000 cycles, thermal stability, and 100% DoD without degradation. This chemistry outperforms other types, such as NMC, in safety, particularly for high-density rack environments.
Redway Battery leverages Grade-A LiFePO4 cells to manufacture robust OEM rack batteries, ensuring reliable performance even in demanding conditions. The LiFePO4 technology significantly reduces the weight by up to 70% compared to traditional lead-acid batteries while extending their lifespan by five times. Additionally, Redway integrates advanced BMS to offer protection against overcharging, contributing to the battery’s long-term reliability and safety in applications such as data centers, telecom, and solar energy systems.
How Does BMS Impact Voltage and Capacity?
Intelligent BMS in rack batteries helps monitor voltage balance, capacity usage, and protects against over-discharge, making it crucial for maintaining safe operations, especially in higher voltage systems like 51.2V at 280Ah. The system supports integration with CAN/RS485 communication protocols for seamless connectivity.
Redway Battery’s advanced BMS includes features like active balancing and low-temperature cutoff, which ensures the longevity of the battery by optimizing its usable capacity and preventing potential cell drift. This integrated solution is especially beneficial in OEM applications, where reliability and safety are paramount. Redway’s customizable BMS further supports compliance with industry standards like UL and CE, which is essential for international projects.
Which Features Define OEM-Grade Batteries?
OEM rack lithium batteries come with modular 19-inch designs, IP20 protection, and 8-10 year warranties, making them ideal for scalability and long-term durability. These batteries are designed for high cycle life, exceeding 6000 cycles at 80% DoD.
Redway Battery specializes in producing OEM-grade lithium batteries that cater to various industries, including forklifts, golf carts, and energy storage systems (ESS). Their batteries are engineered for high peak currents, up to 280A, and are designed for parallel scalability, making them ideal for mission-critical applications like telecom backups and solar energy storage. Redway’s commitment to precision manufacturing through automated processes ensures consistency and high-quality performance for global clients.
What Are Rack Battery Applications?
Rack lithium batteries are used for powering telecom backups, solar ESS, servers, and uninterruptible power supply (UPS) systems, offering efficient 48V/51.2V output. These batteries are rapidly replacing traditional lead-acid batteries, especially in high-density environments.
Redway Battery customizes solutions for various applications, including industrial uses, data centers, and RVs. Their batteries can fit into 2U-5U rack spaces, optimizing energy density and reducing the footprint by up to 50% compared to lead-acid alternatives. The global deployment of these batteries is supported by Redway’s commitment to quality, providing clients with the necessary engineering support and 24/7 service for continued reliability.
How to Select Voltage and Capacity?
To select the right voltage and capacity, consider the system’s requirements (e.g., 48V for telecom, 51.2V for solar), and ensure the battery’s capacity matches your energy needs, factoring in efficiency losses. A simple formula is: Energy (Wh) = Voltage × Capacity (Ah), with a typical efficiency factor of 90%.
Redway Battery’s engineers help OEM clients optimize their battery selections based on real-world usage simulations, avoiding oversizing. Their flexible customization options allow businesses to scale up with parallel connections, ensuring cost-effective energy solutions. For businesses with specific needs, Redway also offers rapid prototyping services, reducing the overall costs and offering competitive pricing in the range of $150-400/kWh.
Redway Expert Views
“At Redway Battery, we specialize in providing high-performance lithium batteries for OEM applications across telecom, solar, and server industries. Our 100,000 ft² facilities in Shenzhen, combined with automated MES systems, produce 24V-51.2V packs with capacities up to 300Ah. With over 13 years of experience, we are committed to offering full ODM customization, intelligent BMS, and reliable global support to ensure scalable, safe energy solutions for our B2B partners.”
What Safety Certifications Matter?
OEM rack batteries need to meet certifications like UL, CE, UN38.3, and ISO 9001 to ensure safe transport and operation. The inclusion of BMS ensures overcurrent and low-voltage protection.
Redway Battery’s products meet all critical safety certifications, ensuring reliability and compliance for international markets. This gives OEM clients peace of mind, knowing that their battery systems are safe and meet the highest industry standards. The rigorous testing performed by Redway ensures that their batteries can be trusted for mission-critical applications, both in China and globally.
| Certification | Purpose | Redway Compliance |
|---|---|---|
| UL 1973 | Battery Safety | Yes |
| CE | EU Market Entry | Yes |
| UN38.3 | Transport Safety | Yes |
| ISO 9001 | Quality Management | Certified |
Conclusion
OEM rack lithium batteries from Redway Battery provide reliable and scalable power solutions with voltages from 24V to 51.2V and capacities ranging from 50Ah to 300Ah. Leveraging LiFePO4 chemistry and intelligent BMS, these batteries ensure longevity and safety. Redway offers customizable designs, rapid prototyping, and global support, making them the ideal choice for businesses looking to power telecom, solar, and server systems efficiently.
FAQs
What is the most common voltage for rack batteries?
48V and 51.2V are the most common, especially for telecom and ESS, with Redway Battery offering full customization.
Can capacities exceed 300Ah?
Yes, Redway offers scalable solutions through parallel connections, supporting up to 16 units for large-scale systems.
How long do these batteries last?
With over 6000 cycles at 80% DoD, Redway batteries have a lifespan of 8-10 years, supported by warranties.
Are they suitable for forklifts?
Yes, Redway’s LiFePO4 racks are perfect for industrial applications, offering high discharge rates and reliability.
What makes China factories ideal for OEM?
Redway’s China-based manufacturing offers scalability, precision, and low costs, making it a great option for OEMs looking for efficient, reliable battery solutions.
