51.2V 50Ah 2.5kWh Rack Battery 2U

The PM-LV5150-2U-PRO is a high-performance LiFePO4 battery engineered for scalability and durability. Designed for commercial and industrial applications, this 51.2V 50Ah lithium battery delivers 2.56kWh of energy with a compact 2U form factor, making it ideal for OEM integrations and large-scale energy storage systems.

Key Features

Longevity & Reliability: With a design life of 20 years and over 8,000 cycles at 80% DOD, this lithium battery ensures unmatched operational lifespan. Its LiFePO4 chemistry provides inherent thermal stability and safety.
High Power Density: The slim 88mm profile maximizes space efficiency without compromising on 50A continuous charge/discharge capabilities.
Wide Compatibility: Supports integration with leading inverters like Victron, Deye, and Growatt via RS485/CAN-bus communications.

Product Description

As a premier lithium battery manufacturer, we specialize in solutions tailored for OEM partners and wholesale buyers. The PM-LV5150-2U-PRO features a robust metal casing, IP21 protection, and flexible upgrades such as Bluetooth, self-heating, or 4G connectivity. Its JBD BMS ensures precise cell balancing and protection against overvoltage, extreme temperatures (-20¡ãC to 60¡ãC), and short circuits.

Technical Specifications

The battery operates within a 40V¨C58.4V range and weighs just 22kg, simplifying installation. With certifications including UL 1973, IEC 62619, and UN38.3, it meets global safety standards. Parallel configurations support up to 32 units, enabling scalable energy storage from 81.9kWh to 163.8kWh.

The 51.2V 50Ah 2.5kWh Rack Battery 2U delivers compact, high-performance lithium iron phosphate (LiFePO4) energy storage ideal for server racks, telecom, and industrial applications. Featuring over 8000 cycles, smart BMS protection, and fast charging, this battery from Heated Battery offers reliable, scalable, and maintenance-free power with a long lifespan and versatile compatibility.

What Are the Technical Specifications of the 51.2V 50Ah 2.5kWh Rack Battery 2U?

This rack-mounted battery operates at a nominal voltage of 51.2V with a capacity of 50Ah, providing 2.56kWh of usable energy. It measures 410 x 440 x 88.5 mm (2U height), weighs approximately 23 kg, and features LiFePO4 cells for enhanced safety and longevity. The battery supports continuous charge and discharge currents of 50A, with fast charging capability and an operating voltage range between 40V and 58.4V. Its IP21 rating suits indoor rack environments.

How Does the 2U Rack Form Factor Benefit Energy Storage Systems?

The 2U rack height (3.48 inches) allows this battery to fit standard 19-inch server racks, optimizing space in data centers and telecom rooms. Its compact design enables scalable deployment, easy integration, and efficient cooling, making it ideal for modular energy storage and backup power systems.

Why Is LiFePO4 Chemistry Preferred in Rack-Mounted Batteries?

LiFePO4 chemistry offers superior thermal stability, safety, and a longer cycle life compared to other lithium-ion chemistries. It maintains stable voltage output, supports thousands of cycles with minimal capacity loss, and is inherently safer due to its chemical composition, reducing risks of thermal runaway.

How Does the Battery Management System (BMS) Ensure Safety and Reliability?

The advanced BMS continuously monitors voltage, current, temperature, and state of charge to prevent overcharging, over-discharging, short circuits, and overheating. It balances cell voltages to enhance battery health and extends lifespan, ensuring reliable operation in critical applications.

What Is the Expected Lifespan and Warranty of the 51.2V 50Ah Rack Battery?

This battery offers over 8000 cycles at 60% depth of discharge, translating to a design life of approximately 15-20 years under typical usage. Heated Battery provides a 10-year warranty, demonstrating confidence in the product’s durability and performance.

How Fast Can the 51.2V 50Ah Rack Battery Be Charged?

Supporting continuous charge currents up to 50A and fast charging protocols, the battery can be fully charged within 2 to 3 hours depending on charger specifications, reducing downtime in critical energy systems.

Which Applications Are Best Suited for the 51.2V 50Ah Rack Battery 2U?

This battery is ideal for server rooms, telecom backup power, uninterruptible power supplies (UPS), renewable energy storage, and industrial energy management systems. Its rack-mount design and robust performance make it suitable for both commercial and residential energy solutions.

How Can Users Monitor and Manage Battery Performance?

With integrated smart BMS, users can connect to monitoring systems that track real-time parameters such as voltage, current, temperature, and state of charge. Optional communication interfaces allow seamless integration with energy management software for predictive maintenance and optimization.

What Environmental Benefits Does the 51.2V 50Ah Rack Battery Offer?

Compared to lead-acid and other lithium chemistries, LiFePO4 batteries reduce environmental impact through longer lifespan, higher energy efficiency, and non-toxic materials. Their maintenance-free design eliminates hazardous waste associated with traditional batteries.

How Does the Battery’s Weight and Size Affect Installation and Scalability?

Weighing just 23 kg and occupying 2U rack space, the battery is easy to install and scale within standard rack enclosures. Its compact footprint allows for high-density energy storage solutions, maximizing usable space in constrained environments.

What Customization Options Are Available for OEM and ODM Projects?

Heated Battery offers customizable solutions including tailored capacity, communication protocols, and form factors to meet specific client requirements. OEM and ODM services ensure seamless integration into diverse energy storage systems.