51.2V 50Ah 2.5kWh Rack Battery 3U

Description

The PM-LV5150-3U is a high-performance 51.2V 50Ah LiFePO4 battery designed for industrial and commercial applications. With a compact 3U form factor, 2.56kWh energy storage, and compatibility with leading inverters, this lithium battery delivers reliability, scalability, and longevity for OEM and wholesale customers.

Key Features

High Energy Density & Compact Design: At just 136mm (3U) height and 24kg weight, this lithium battery maximizes energy storage in space-constrained installations.
Extended Cycle Life: Achieve over 8,000 cycles at 80% depth of discharge (DOD) and 9,000+ cycles at 60% DOD, backed by a 20-year design life.
Wide Compatibility: Seamlessly integrates with inverters like Deye, Victron, Sol-Ark, and Growatt, making it ideal for OEM partnerships.
Advanced Communication: RS485 and CAN-bus interfaces enable real-time monitoring and system integration.
Optional Smart Upgrades: Enhance functionality with Bluetooth, self-heating, 4G/GPS tracking, or SNMP protocols for remote management.

Product Description

Engineered for durability, the PM-LV5150-3U features a robust metal shell (available in multiple colors) and IP21 protection. Its built-in JBD BMS ensures safe operation across extreme temperatures (-20¡ãC to 60¡ãC), while the 50A continuous charge/discharge current supports demanding applications. The integrated LCD display and circuit breaker simplify maintenance, and certifications like UL 1973 and IEC 62619 guarantee compliance with global safety standards.

Scalability & Customization

As a lithium battery manufacturer, we support up to 32 parallel connections for scalable energy solutions. OEM clients benefit from customizable firmware, branding, and optional features like TACP or WiFi connectivity.

Ideal Applications

This LiFePO4 battery is perfect for solar energy storage, telecom infrastructure, UPS systems, and industrial equipment. Its modular design and long cycle life reduce total ownership costs for wholesale buyers and OEM partners.

Technical Support & Warranty

Our lithium battery solutions include dedicated technical support, flexible warranty terms, and rapid prototyping for OEM projects. Partner with us to leverage cutting-edge LiFePO4 technology tailored to your requirements.

The 51.2V 50Ah 2.5kWh Rack Battery 3U is a compact, high-efficiency lithium iron phosphate (LiFePO4) energy storage solution designed for scalable industrial and commercial applications. Its 3U rack form factor, advanced battery management system (BMS), and long cycle life make it ideal for solar storage, telecom backup, UPS systems, and microgrids requiring reliable, safe, and modular power.

How Does the 51.2V 50Ah 2.5kWh Rack Battery 3U Work?

This battery consists of 16 LiFePO4 cells connected in series to achieve a nominal voltage of 51.2V and a capacity of 50Ah, delivering 2.5kWh of usable energy. The integrated BMS continuously monitors voltage, current, and temperature, balancing cells to optimize performance and prevent overcharge, over-discharge, and thermal events. Its modular design supports parallel connections for capacity expansion, while the 3U height (5.25 inches) fits standard server racks, minimizing spatial demands in data centers and renewable energy setups.

What Are the Key Specifications of the 51.2V 50Ah 2.5kWh Rack Battery?

Feature Detail
Nominal Voltage 51.2V
Capacity 50Ah
Nominal Energy 2.5kWh
Chemistry Lithium Iron Phosphate (LiFePO4)
Dimensions 19″ width × 3U height (5.25″)
Weight 15–20 kg
Cycle Life 3,000–6,000 cycles at 80% DoD
Operating Voltage Range 44.8V – 58.4V
Efficiency ≥95% round-trip efficiency
Communication RS485, CAN-bus (optional Bluetooth)
Protection Rating IP20

Which Applications Are Common for the 51.2V 50Ah Rack Battery?

This battery excels in:

  • Solar + Storage Systems: Storing excess solar energy for nighttime or peak demand use.

  • UPS Backup: Providing instant power during grid outages in data centers or critical facilities.

  • Telecom Infrastructure: Powering remote cell towers and base stations off-grid or as backup.

  • Microgrids: Managing load balancing in industrial parks and remote communities.

  • Agricultural Operations: Supporting irrigation systems and cold storage with reliable energy.

  • Medical Facilities: Backing up critical equipment during power interruptions.

Its compatibility with hybrid inverters and modular scalability makes it a versatile choice across industries.

Why Choose LiFePO4 Chemistry for the 51.2V 50Ah Rack Battery?

LiFePO4 chemistry offers superior thermal stability, reducing risks of thermal runaway and fire. It provides a flat discharge voltage curve, ensuring stable power output even at low charge levels. Compared to NMC or lead-acid batteries, LiFePO4 delivers 3–4 times longer cycle life (up to 6,000 cycles at 80% DoD) and operates efficiently from -20°C to 60°C. It tolerates partial state-of-charge cycling, ideal for solar and hybrid applications, and avoids cobalt use, reducing ethical and cost concerns.

How to Install and Maintain the 51.2V 50Ah 2.5kWh Rack Battery?

Installation: Mount the 3U module securely in a well-ventilated, temperature-controlled rack. Use torque-rated cables (≥25mm²) for terminal connections. Configure the BMS via RS485 or CAN-bus to set charge and discharge limits according to system requirements.

Maintenance: Inspect terminals quarterly for corrosion, clean as needed, and update BMS firmware annually. Monitor battery health remotely when Bluetooth or communication modules are installed. No electrolyte refilling or equalization charging is required.

What Safety Features Does the 51.2V 50Ah Rack Battery Include?

  • Multi-layer BMS: Isolates faulty cells and triggers shutdown during anomalies.

  • Flame-retardant Housing: UL94-V0 certified casing resists ignition.

  • IP20 Protection: Shields against dust and accidental contact.

  • Thermal Sensors: Real-time cell temperature monitoring to prevent overheating.

These features ensure operational safety in demanding environments.

Can the 51.2V 50Ah Battery Be Scaled for Higher Capacity?

Yes. Up to 16 modules can be connected in parallel using dedicated busbars, achieving up to 40kWh total capacity. The BMS supports master-slave communication for synchronized charge and discharge management across all units, enabling seamless scalability for growing energy needs.

Has Heated Battery Incorporated Advanced Features in This Rack Battery?

Heated Battery equips this model with a sophisticated Smart BMS protecting against overcharge, over-discharge, overcurrent, and thermal events. Optional features include Bluetooth and WiFi connectivity for remote monitoring, circuit breakers for enhanced safety, and active cell balancing to extend battery life. Heated Battery’s focus on quality and innovation ensures reliable performance and user-friendly operation.

Where Is the 51.2V 50Ah Rack Battery Most Effectively Used?

The battery is best installed in temperature-controlled environments such as data centers, telecom facilities, solar power plants, and industrial microgrids. Its compact 3U form factor fits standard 19-inch racks, optimizing space utilization. Proper ventilation and clearance around the battery ensure thermal management and longevity.

How Does the 51.2V 50Ah Battery Compare to Lead-Acid Alternatives?

Feature 51.2V 50Ah LiFePO4 Battery Lead-Acid Battery Equivalent
Cycle Life 3,000–6,000 cycles 500–1,000 cycles
Weight 15–20 kg 40–60 kg
Depth of Discharge Up to 80–90% 50%
Maintenance Minimal Frequent electrolyte checks
Efficiency ≥95% 70–85%
Safety High thermal stability Risk of acid leaks, thermal runaway

This results in longer lifespan, lighter weight, and reduced maintenance costs.

What Are the Environmental Benefits of Using This Battery?

The LiFePO4 chemistry is free from toxic heavy metals, reducing environmental hazards during disposal. Its long cycle life and high efficiency lower waste and energy consumption over time. Modular scalability supports integration with renewable energy systems, promoting sustainable power solutions.

Specifications

PM-LV5150-3U
Lithium Cell Type LiFePO4
Nominal Voltage 51.2V
Nominal Capacity 50Ah
Nominal Energy 2.56kWh
Working Voltage Max Charge: 58.4V / Discharge Cut-off: 40V
Dimensions (L x W x H) 440 x 440 x 136 mm (3U) (17.3 x 17.3 x 5.35 inches)
Weight ~24kg (52.9 lbs)
Max Continuous Charge Current 50A
Max Continuous Discharge Current 50A
Charging Temperature 0~60°C
Discharging Temperature -20~60°C
Max Parallel Connections 16~32
Communications RS485, CAN-bus
Design Life 20 Years
Cycle Life (80%DOD 0.5C) >8000 Cycles
Cycle Life (60%DOD 0.5C) >9000 Cycles
IP Rating IP21
Terminal M6
Battery Shell Metal (Black, Gray, White, Blue, etc.)
BMS JBD BMS
Circuit Breaker Yes
LCD Display Yes
Optional Upgrades Bluetooth, App, SNMP, PC Monitoring Software, WiFi, 4G, GPS, RS232, Self-heating, TACP, Circuit Breaker, Power Switch, etc.
Compatible Inverters Deye, Victron, GOODWE, Sol-Ark, SRNE, Solis, SAJ, Growatt, Luxpower, Voltronic, SMA, FOX, etc.
Certifications UL 1642, UL 1973, IEC 62619, IEC 62133, CE, RoHS, UN38.3, MSDS
 
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