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·YABO 48V(51.2V) Server Rack Battery supports CAN/RS485 for seamless communication with popular all-in-one solar inverters.You can also easily monitor your battery's status through the mobile app, which supports both Bluetooth. The battery cycle capacity can be set through the inverter to maximize the battery life
·The YABO 48V 300Ah LiFePO4 battery is manufactured by Automotive Grade A grade prismatic cells with higher energy density, more stable performance & greater power. And has a compact 15.36kWh energy, which is equivalent to 4pcs 12V 300Ah LiFePO4 batteries in 4S. Backed by a 5-year after-sales support, you can trust in the quality and reliability of this battery for years to come
·This 48V LiFePO4 battery is built for safety with a durable full-metal shell and a 200A BMS to protect it from overcharge, over-discharge, over-current, and short circuit with excellent low self-discharge rate.
·This YABO 48V battery comes fully equipped with all necessary accessories, including parallel wires, communication cables, grounding wires, protective terminal covers, terminal screws, and a user manual, ensuring you're ready to go straight out of the box. And we are equipped with complete wiring and operation videos to ensure that you can install it independently as an individual
| Place of Origin | Guangdong, China |
| Brand Name | YABO |
| Model Number | YB-UT48300H |
| Battery Type | LiFePO4 Battery |
| System Type | Rack-mounted |
| Nominal Voltage (V) | 51.2V |
| Nominal Capacity | 300Ah |
| Energe | 15360Wh |
| Gross Weight | About 121kg |
| Dimension | 482.6*605*244mm(5.5U) |
| Cycle life | 6000+ Times |
| Product name | 51.2V 300Ah LiFePO4 Battery Pack |
| Communication Port | RS485A+RS485B, CAN or RS485 |
| OEM/ODM | Accepatable |
| Grid connection | Off grid System |
| BMS | Built-in BMS Protection |
| Applicantion | Electric Power Systems, Solar Energy Storage Systems, Household energy storage |
| Certification | CE/RoHS/UN38.3/MSDS |
| Support Inverter Brand | PYLON,GOODWE,Growatt,SMA,Victron,TBB,MUST,SRNE,MEGAREVO,Deye,INVT,VoltronicPower,SOFAR,SOROTEC,Etc. |
| Warranty | 5years |
The YABO YB-UT48300H is developed for energy storage systems that operate on a long-horizon basis, where power availability must be sustained not just for hours, but as a continuous operational backbone. As a top-capacity model within YABO’s 48V rack-mounted battery family, this product is aimed at users who require both high stored energy and operational resilience.
In many modern installations, energy storage has evolved from a supplementary component into a mission-critical asset. Facilities such as network infrastructure hubs, industrial control centers, and renewable energy aggregation points demand storage solutions that can withstand prolonged load demands while maintaining consistent output behavior. The YB-UT48300H is engineered specifically for this role.
By concentrating a large amount of usable energy into a standardized rack format, the battery enables system designers to build powerful storage systems without sacrificing layout efficiency or scalability.

The YB-UT48300H employs lithium iron phosphate cell technology selected for its ability to deliver reliable performance over extended service periods. Rather than focusing solely on peak output characteristics, the internal cell configuration prioritizes endurance, balance, and resistance to long-term degradation.
LiFePO4 chemistry is recognized for its structural stability and thermal robustness, making it particularly suitable for high-capacity installations. This stability ensures that the battery maintains predictable behavior even after extensive cycling, reducing uncertainty in system planning and operation.
The chemistry also supports environmentally responsible energy storage by avoiding hazardous materials and enabling longer replacement intervals. This contributes to both sustainability goals and lower lifecycle costs for large-scale deployments.

Ensuring operational integrity in high-capacity battery systems requires continuous supervision and rapid response mechanisms. The YB-UT48300H integrates an intelligent management framework that monitors internal conditions and external interactions in real time.
This system coordinates energy flow, maintains internal balance, and ensures stable cooperation with connected inverters and controllers. Should abnormal operating conditions arise, protective actions are initiated immediately to safeguard the battery and surrounding equipment.
Beyond protection, the management framework enables visibility into battery operation, supporting centralized monitoring and integration with energy management platforms. This is particularly valuable for installations spread across multiple sites or operating with minimal on-site personnel.

The YB-UT48300H is designed for continuous energy utilization rather than occasional backup usage. Its internal design supports sustained charge and discharge activity without compromising operational stability, making it suitable for systems that cycle energy daily.
This capability is essential in environments where energy storage is used for load leveling, renewable energy absorption, or grid interaction rather than emergency-only scenarios. By providing a stable energy reservoir, the battery helps smooth power fluctuations and supports consistent output from variable energy sources.
Such performance characteristics reduce mechanical and electrical stress on downstream equipment, contributing to improved system longevity and operational efficiency.

The standardized rack-mounted structure of the YB-UT48300H allows it to be seamlessly integrated into a wide range of energy storage cabinets and power systems. Its design supports parallel deployment, enabling energy capacity to be expanded as operational requirements evolve.
This modular architecture offers significant advantages for large projects, allowing capacity planning to be aligned with phased development schedules. Additional battery units can be introduced without interrupting existing operations or requiring major system redesign.
Compatibility with mainstream power conversion and control equipment further simplifies integration, enabling faster deployment and reduced engineering overhead for system integrators.

The YB-UT48300H is well-suited for applications where energy storage plays a central operational role:

The YABO YB-UT48300H 48V 300Ah LiFePO4 battery is a high-capacity energy storage solution designed for enterprise-level applications that demand durability, scalability, and continuous operational reliability. Its combination of advanced lithium chemistry, intelligent management, and modular architecture makes it an ideal choice for modern energy systems.
YABO also provides comprehensive OEM and ODM services, offering customized branding, mechanical adaptation, communication interface alignment, and system-level integration support. Our engineering and manufacturing teams work closely with partners to deliver solutions tailored to specific markets, project requirements, and regulatory environments.
By selecting YABO, you gain a long-term energy storage partner committed to quality, innovation, and dependable collaboration—supporting the next generation of reliable and scalable power systems worldwide.