48V 50Ah Rack-mounted Lithium Battery PRO 2U

Our PM-LV4850-2U-PRO Lithium Battery Module is a premium LiFePO4 energy storage solution engineered for industrial and commercial applications. As a leading lithium battery manufacturer, we specialize in delivering high-performance, OEM-ready systems that combine reliability, scalability, and cost-efficiency for wholesale and custom integration needs.

Key Features

High Energy Density: 48V/50Ah configuration provides 2.4kWh of power in a compact 410 x 440 x 88.5 mm footprint, optimizing space in standard 2U rack installations.

Extended Lifespan: Over 8,000 cycles at 60% depth of discharge (DOD) ensure a decade of service, reducing total ownership costs by 40% compared to traditional alternatives.

Advanced Safety: Integrated Smart BMS prevents overcharge, over-discharge, and short circuits while enabling real-time voltage/temperature monitoring for fail-safe operation.

Multi-Brand Compatibility: Seamlessly pairs with inverters from top-tier brands like Victron and GOODWE, ensuring plug-and-play integration across diverse energy systems.

Custom OEM/ODM Support: Tailored voltage, capacity, and communication protocols available to meet unique project specifications, backed by flexible bulk order solutions.

Product Description

Designed for demanding environments, the PM-LV4850-2U-PRO Lithium Battery Module leverages LiFePO4 chemistry to deliver stable performance across -20¡ãC to 60¡ãC temperatures. Its modular architecture supports parallel expansion up to 16 units (38.4kWh total), ideal for data centers, telecom infrastructure, and off-grid solar arrays. The IP20-rated enclosure and 5000m altitude tolerance ensure resilience in harsh conditions, while the CAN/RS485 ports enable centralized fleet management via IoT platforms. As a trusted lithium battery manufacturer, we prioritize OEM partnerships with rapid prototyping and 24/7 technical support to accelerate project timelines.

Why Choose 48V 50Ah Rack-Mounted Lithium Batteries PRO in 2U Size?

48V 50Ah rack-mounted lithium batteries PRO deliver 2.4kWh of high-density energy storage in a compact 2U form factor, offering long cycle life, advanced safety features, and fast charging. Their smart Battery Management System (BMS) ensures reliable performance and protection, making them ideal for scalable energy storage in data centers, telecom, and renewable energy systems.

What are the key technical specifications of 48V 50Ah rack-mounted lithium batteries?

These batteries provide a nominal voltage of 48V and a capacity of 50Ah, equating to 2.4kWh of energy. The battery dimensions are approximately 410 x 440 x 88.5 mm (2U height), and it weighs around 21.5 kg. It supports continuous and maximum charge/discharge currents of 50A, with an operating voltage range of 37.5V to 54.75V. The battery features LiFePO4 cells with a resistance ≤40 mΩ and efficiency ≥99%.

How do 48V 50Ah rack-mounted lithium batteries improve energy storage performance?

These batteries provide stable voltage and high power output with minimal voltage sag, ensuring consistent performance in critical applications. Their long cycle life and fast charging reduce downtime and replacement costs. The 2U compact design allows efficient use of rack space, enabling higher energy density per rack unit.

What safety features do 48V 50Ah rack-mounted lithium batteries include?

Equipped with an advanced BMS, these batteries protect against overcharge, over-discharge, overcurrent, short circuits, and temperature extremes. Certifications include CE, IEC, UN38.3, and MSDS. The metal casing with waterproof baking paint enhances durability and safety.

How long is the cycle life and lifespan of 48V 50Ah rack-mounted lithium batteries?

These batteries offer over 8000 cycles at 60% depth of discharge and over 6000 cycles at 80% depth of discharge, translating to a lifespan of up to 20 years under optimal conditions.

How are 48V 50Ah rack-mounted lithium batteries charged and maintained?

They support fast charging with maximum charge current up to 50A, typically reaching full charge within 3 to 5 hours. Maintenance is minimal with no watering or equalizing required. Optimal charging temperature ranges from 0°C to 55°C, with discharge effective from -20°C to 60°C.

Which applications benefit most from 48V 50Ah rack-mounted lithium batteries?

Ideal for off-grid and hybrid energy storage systems, data centers, telecom backup, and industrial UPS applications. Their scalable and modular design supports flexible capacity expansion and efficient space utilization.

How does the compact 2U size benefit installation and space efficiency?

The 2U rack height allows for high-density energy storage in limited rack space, enabling more batteries per rack and reducing footprint. This compact size simplifies installation and integration into existing rack systems.

How does the Battery Management System (BMS) optimize battery safety and longevity?

The BMS continuously monitors cell voltages, current, temperature, and state of charge, balancing cells to prevent overcharging or deep discharge. It protects against short circuits and thermal runaway, and provides real-time data for predictive maintenance, maximizing battery life and safety.

What environmental benefits do 48V 50Ah rack-mounted lithium batteries offer?

These batteries reduce environmental impact by eliminating toxic lead and acid waste. Their long lifespan reduces battery turnover and waste generation. Lithium batteries are recyclable, supporting sustainable energy initiatives.

How does temperature affect the performance and durability of 48V 50Ah rack-mounted lithium batteries?

Optimal charging occurs between 0°C and 55°C, with discharge effective from -20°C to 60°C. Charging below freezing is disabled to protect battery health. Extreme temperatures may reduce capacity temporarily and accelerate aging, but BMS protections mitigate these effects.

Chart: Lithium vs Lead-Acid Rack-Mounted Battery Comparison

Chart: Battery Cycle Life vs Depth of Discharge (DoD)