48V 51.2V 100Ah Rack Mounted Lithium Battery

Product Overview

As a premier manufacturer and dedicated supplier of advanced energy storage solutions, we present the high-performance 48V 51.2V Rack Mounted Lithium Battery. Engineered for rigorous industrial and commercial demands, this system ensures uninterrupted power stability and exceptional operational efficiency for your critical infrastructure.

• Available in versatile capacities: 20Ah, 50Ah, 75Ah, 100Ah, 150Ah, and 200Ah

• Premium LiFePO4 cell technology ensuring maximum safety and thermal stability

• Compact, standardized rack-mount architecture (450x440x180mm)

• Exceptional operational lifespan exceeding 2000 charge cycles

The 48V 51.2V multi-capacity rack mounted lithium battery, covering 20/50/75/100/150/200Ah models, adopts high-performance LiFePO4 cell type with 51.2V nominal voltage and 100Ah standard capacity. Boasting 100A operating/charge/discharge current, ≥2000 times cycle life and ≤30mΩ internal impedance, it features a wide temperature adaptability for charging and discharging, and compact 450x440x180mm dimensions with 58kg net weight. Ideal for industrial energy storage, server room backup and commercial power supply, this rack mount lithium battery delivers stable and durable power output for various rack-mounted application scenarios.

1. Multi-Capacity Models & Versatile Matching

This rack mounted lithium battery offers 6 flexible capacity options from 20Ah to 200Ah with a unified 51.2V nominal voltage, perfectly adapting to different power demand scenarios from small backup power supply to medium-sized energy storage. The standardized rack-mounted design ensures consistent installation dimensions for all models, enabling free combination and capacity expansion without changing the rack structure, highly suitable for customized energy storage systems.

2. High Current Output & Stable Performance

Equipped with 100A rated operating current and consistent maximum charge/discharge current, this 51.2V LiFePO4 battery provides strong and continuous power output, meeting the high-current power demand of industrial equipment and commercial backup systems. With an internal impedance of ≤30mΩ, it minimizes energy loss during charging and discharging, maintains stable voltage output, and avoids power fluctuation damage to connected devices.

3. Wide Temperature Adaptability & Strong Environmental Resistance

This 100Ah rack lithium battery features a 0-55℃ charging temperature range and an extended -20-60℃ discharging temperature range, breaking the limitation of narrow temperature adaptability of ordinary lithium batteries. It can work stably in low-temperature basements, high-temperature equipment rooms and other complex environments, with no obvious performance attenuation, perfectly matching the diverse working conditions of industrial and commercial rack-mounted application scenarios.

4. Long Cycle Life & High Durability

Adopting premium LiFePO4 cell type, this 48V industrial lithium battery achieves a cycle life of ≥2000 times, far exceeding traditional lead-acid batteries in service life. It maintains stable capacity output during repeated charging and discharging cycles, with low attenuation rate and no memory effect, effectively reducing the frequency of battery replacement and lowering the long-term use and maintenance costs for users.

5. Compact Rack Design & Easy Installation

Designed with a standardized rack-mounted structure, this multi-capacity lithium battery features compact 450x440x180mm dimensions and a 58kg net weight, perfectly fitting standard industrial server racks and energy storage cabinets. It requires no additional installation space, enabling quick fixed installation and wiring, and the unified interface design facilitates batch deployment and subsequent maintenance, greatly improving the installation and operation efficiency.

1. Industrial Server Room Backup Power Supply

This rack mounted lithium battery is an ideal backup power solution for industrial server rooms and data centers, with its rack-mounted design perfectly fitting the server cabinet layout. The 100A high current output ensures the normal operation of servers and network equipment during power outages, and the wide temperature adaptability works stably in the constant temperature environment of server rooms, providing reliable power support for data security.

2. Commercial Building Energy Storage & Backup

For shopping malls, office buildings and hotels, this 51.2V LiFePO4 battery is used for local energy storage and emergency backup power supply. Its multi-capacity options can be flexibly matched according to the power consumption of commercial facilities, the rack-mounted design saves installation space, and the long cycle life meets the long-term use demand of commercial buildings, ensuring continuous power supply for elevators, lighting and important commercial equipment.

3. Industrial Automation Equipment Power Supply

This 48V industrial lithium battery provides stable power for industrial automation production lines, CNC machines and robotic equipment. The 100A stable operating current matches the high-power demand of industrial equipment, the low internal impedance reduces energy loss during operation, and the wide discharging temperature range adapts to the high-temperature working environment of industrial workshops, improving the stability of production equipment.

4. Small-Scale Commercial Energy Storage Systems

This rack mount energy storage battery is suitable for small-scale commercial energy storage systems such as chain stores and convenience stores. Its multi-capacity models can be combined to build a customized energy storage system, realizing peak-valley electricity regulation to reduce commercial electricity costs, and the compact rack design is easy to install in the limited space of commercial stores, with simple operation and low maintenance workload.

Install the battery in a standard industrial rack, ensure firm fixation and correct positive and negative pole wiring. Use a dedicated charger matching 58.4V charging voltage and 100A maximum charge current, charge within 0-55℃. Avoid overcharging and over-discharging, follow the 40V standard discharging method. Regularly check the battery temperature and connection status, clean the surface and terminals to prevent dust and poor contact.

Explore our comprehensive technical answers to help you make an informed decision regarding your energy storage architecture.

Q1: Can we integrate this 51.2V rack-mounted battery with our existing legacy inverter systems?

Absolutely. The battery features a highly adaptable built-in communication module (CAN/RS485/RS232) that ensures seamless protocol matching with major inverter brands like SMA, Deye, Growatt, and Victron. This plug-and-play capability prevents integration bottlenecks and allows for smooth retrofitting into existing power infrastructures.

Q2: How does the parallel expansion capability impact the overall system voltage and capacity?

When connecting multiple units in parallel (up to 15 or 16 units of the same capacity), the nominal system voltage remains a stable 51.2V, while the total amperage and storage capacity scale linearly. This allows you to vastly increase your energy reserves and load-bearing duration without altering the foundational voltage architecture of your server racks.

Q3: What specific maintenance routines are required to ensure the ≥2000 cycle life?

Thanks to the advanced LiFePO4 chemistry and intelligent BMS, this unit is virtually maintenance-free. It requires no water top-ups or specific equalization charges. We simply recommend a routine visual inspection of the terminal connections for tightness every few months and keeping the external casing free of excessive industrial dust to maintain optimal passive cooling.

Q4: How does the battery manage performance in extreme low-temperature environments like -20℃?

The internal cell architecture is specifically formulated to mitigate the sluggish ion transfer typically seen in cold lithium batteries. While discharging at -20℃, the smart BMS regulates the current flow to optimize the internal temperature, ensuring that the battery continues to deliver a reliable power stream without suffering from sudden voltage drops or permanent capacity damage.

Q5: Is it possible to mix different capacity models (e.g., 100Ah and 200Ah) within the same parallel network?

For optimal system health and balanced energy draw, we strongly advise against mixing different capacities in a single parallel array. The BMS is calibrated to manage uniform internal resistance and charge/discharge rates. To maximize the lifespan and efficiency of your investment, always parallel units of the exact same nominal capacity and voltage.