48V 50Ah Rack-mounted Lithium Battery 3U

Our PM-LV4850-3U Lithium Battery Module is a high-efficiency 48V 50Ah LiFePO4 energy storage solution designed for mission-critical applications. As a trusted lithium battery manufacturer, we specialize in OEM partnerships, delivering scalable, durable, and intelligent power systems tailored for telecom, data centers, and off-grid installations.

Key Features

Space-Optimized Design: Compact dimensions of 440 x 440 x 136 mm ensure seamless integration into standard 3U rack cabinets, minimizing footprint while maximizing energy density.
Unmatched Cycle Life: Engineered for over 8,000 cycles at 60% depth of discharge (DOD), reducing long-term replacement costs by 50% compared to conventional alternatives.
Advanced Safety Protocols: Integrated smart BMS safeguards against overcharge, overheating, and short circuits, ensuring compliance with industrial safety standards.
Modular Scalability: Supports parallel configurations of up to 16 units, enabling flexible energy expansion from 2.4kWh to 38.4kWh for evolving power demands.
All-Climate Reliability: Operates flawlessly in temperatures ranging from -20¡ãC to 60¡ãC (discharge) and 0¡ãC to 55¡ãC (charge), ideal for harsh environments.

Product Description

The PM-LV4850-3U exemplifies our expertise as a lithium battery manufacturer, combining premium LiFePO4 cells with military-grade engineering. Its 48V/50Ah configuration delivers 2.4kWh nominal energy, optimized for 24/7 operation in server rooms, telecom base stations, and renewable energy systems. The modular architecture allows effortless installation and maintenance, while the IP55-rated casing ensures dust/water resistance.

Our OEM-focused design includes customizable communication protocols (RS485/CAN) for real-time monitoring via centralized energy management platforms. With a 20-year design lifespan and 7-year warranty, this battery module guarantees reduced total cost of ownership. Fast-charging compatibility (0-100% in 2.5 hours) and <2% annual capacity decay further enhance operational efficiency for wholesale partners seeking future-proof solutions.

How Does a 48V 50Ah Rack-mounted Lithium Battery 3U Provide Reliable Power?

A 48V 50Ah rack-mounted lithium battery 3U delivers 2.4 kWh of compact, efficient energy storage with long cycle life and advanced safety features. Its 3U form factor maximizes rack space, making it ideal for telecom, data centers, and backup power applications requiring scalable, maintenance-free power.

What are the key specifications of a 48V 50Ah rack-mounted lithium battery 3U?

This battery features a nominal voltage of 48V and a capacity of 50Ah, providing 2.4 kWh of energy. It measures approximately 440 x 440 x 136 mm (3U rack size) and weighs about 23 kg. It supports continuous discharge currents up to 50A and peak currents of 100A. The battery uses LiFePO4 cells with a robust metal casing rated IP21, with optional higher IP ratings. Communication protocols include CAN bus and RS485, with optional Bluetooth and WiFi.

How does the 3U rack-mounted design optimize telecom and data center applications?

The 3U height (about 13.5 cm) fits standard 19-inch racks, allowing high energy density per rack unit and saving valuable space in telecom rooms and data centers. Its compact design simplifies installation, maintenance, and scalability.

What advantages do lithium batteries offer over traditional lead-acid batteries?

Lithium batteries provide longer cycle life (8000+ cycles vs. 1000-1500), faster charging (2-4 hours vs. 8-12), lighter weight, zero maintenance, higher energy efficiency, and stable voltage output, reducing operational costs and improving reliability.

How long is the typical lifespan and cycle life of a 48V 50Ah lithium battery?

These batteries typically exceed 8000 cycles at 60% depth of discharge, translating to 10-15 years of reliable service life.

What safety features are integrated into rack-mounted lithium batteries?

The integrated Battery Management System (BMS) monitors voltage, current, temperature, and state of charge, providing protections against overcharge, over-discharge, short circuit, overcurrent, and thermal runaway. Cell balancing and thermal management enhance safety.

How fast can a 48V 50Ah lithium battery be charged?

Compatible chargers can fully recharge the battery within 2 to 4 hours, enabling rapid turnaround and continuous operation.

What applications are best suited for 48V 50Ah rack-mounted lithium batteries?

Ideal for telecom base stations, data centers, UPS systems, renewable energy storage, and other critical infrastructure requiring reliable backup power.

What environmental conditions can a 48V 50Ah lithium battery withstand?

Designed for indoor telecom environments, it operates reliably between 0°C and 50°C, with storage temperatures from -20°C to 60°C. The IP21 rated enclosure provides dust protection suitable for controlled environments.

How does the Battery Management System (BMS) enhance safety and reliability?

The BMS ensures safe operation by balancing cell voltages, preventing unsafe conditions, and communicating battery status to system controllers for proactive management.

What communication protocols support battery monitoring and integration?

Protocols such as CAN bus, RS485, and optional Bluetooth/WiFi enable real-time monitoring, diagnostics, and integration with energy management systems.

How does modular design improve scalability and maintenance?

Modular rack-mounted batteries allow easy capacity expansion by adding modules, simplify maintenance through hot-swapping, and reduce downtime, making systems adaptable to evolving energy needs.

Chart 1: Lithium vs. Lead-Acid Battery Comparison for Rack Applications

Chart 2: Operating Temperature and Protection Ratings