B-LFP48-120E Server Rack Battery – 51.2V 6.4kWh

The B-LFP48-120E Server Rack Battery is a high-performance 48V LiFePO₄ lithium energy storage solution with a 6.4kWh capacity, designed for dependable and efficient power storage. Ideal for residential solar systems and small commercial applications, it also supports off-grid, backup power, RV, and marine energy systems.

With its rack-mounted modular design, the B-LFP48-120E integrates easily into both grid-tied and off-grid setups, delivering stable output, long cycle life, and enhanced safety for modern energy storage needs.

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Live Sustainably with the B-LFP48-120E

Designed for residential solar energy systems, commercial energy management, and light industrial energy storage, the B-LFP48-120E Server Rack Battery (51.2V 6.4kWh) delivers reliable and efficient power to meet a wide range of energy demands. Its modular rack-mounted design enables easy installation and scalable system expansion, supporting backup power, enhanced solar self-consumption, and a stable, uninterrupted energy supply for modern energy storage applications.

Long Battery Life

Built for durability, this lithium battery delivers over 6,000 cycles at 90% DOD and a 10-year design lifespan, providing reliable long-term energy storage.

High Inverter Compatibility

Compatible with most 48V inverters, including Victron and Studer models, the battery ensures smooth, hassle-free integration and stable system operation.

Intelligent BMS Protection

Features a smart Battery Management System (BMS) that protects against over-voltage, over-current, short circuits, and temperature extremes, ensuring safe, reliable, and consistent operation.

UL-Standard Battery Pack

Manufactured with automotive-grade processes, the high-quality module structure meets UL standards, delivering enhanced safety, stability, and extended service life.

DC-Coupled System Design

The DC-coupled architecture is optimized for modern solar installations, offering higher energy conversion efficiency and reduced system losses.

10-Year Warranty

Backed by a 10-year warranty, this server rack lithium battery provides clean, reliable, and sustainable energy for residential and commercial applications.

Specifications

See Inside the Performance

Explore the full performance of the B-LFP48-120E Server Rack Battery – 51.2V 6.4kWh. Designed for reliability, long service life, and scalable energy storage, this LiFePO₄ lithium battery delivers safe, high-capacity, and efficient power for residential solar systems, commercial energy management, off-grid setups, and backup power applications. Its robust design ensures stable performance and a continuous, uninterrupted energy supply for modern energy storage solutions.

Parameter	Details
Nominal Voltage	51.2 V (3.2V/Cell)
Nominal Capacity	6.4 kWh / 125Ah @ 0.5C discharge
Charge Voltage	58.4 V
Cell & Configuration	16S1P, Lithium Iron Phosphate (LiFePO₄)
Battery Type	4U Server Rack / Modular Lithium Battery
Dimensions (L × W × H)	482.6 × 495 × 177 ±3 mm
Weight	57 kg
Cycle Life	> 6,000 cycles @ 25℃
Design Life	> 15 years (25℃ / 77℉)
Protection Level	IP22
Expandable Units	Up to 63 units in parallel
Warranty	10 years
Certifications	CE, UN38.3, IEC 62619