B-LFP48-100E 3U | 51.2V 5.12kWh Server Rack Battery
The B-LFP48-100E 3U is a high-performance 48V 100Ah LiFePO4 server rack battery with a true 51.2V nominal output and 5.12 kWh usable energy capacity. Designed for reliable long-term energy storage, it delivers over 6,000 charge cycles and is backed by a 10-year warranty.
Featuring integrated protection against over-voltage, over-current, and short circuits, the battery ensures safe, stable operation while supporting scalable energy storage systems up to 322.56 kWh, making it ideal for residential, commercial, and solar energy storage applications.
Sustainable Living, Powered by BSLBATT
Live Sustainably with the B-LFP48-100E 3U
Designed for residential solar energy systems, commercial energy management, and light industrial energy storage, the B-LFP48-100E 3U server rack battery adapts seamlessly to varying power demands. Its modular rack-mounted design enables flexible system expansion, delivering reliable backup power, improved solar self-consumption, and uninterrupted energy supply across a wide range of 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-LFP48-100E 3U server rack battery. Engineered for reliability, long life, and scalable energy storage, this LiFePO4 battery delivers safe, efficient, and high-capacity power for residential, commercial, and solar applications.
| Parameter | Details |
|---|---|
| Nominal Voltage | 51.2 V |
| Nominal Capacity | 5.12 kWh |
| Cell & Configuration | 16S1P, Lithium Iron Phosphate (LiFePO4) |
| Battery Type | Server Rack / Modular Lithium Battery |
| Dimensions (L × W × H) | 538 × 483 (442) × 136 mm |
| Weight | 46 kg |
| Cycle Life | >6,000 cycles @ 25℃ |
| Design Life | >15 years (25℃ / 77℉) |
| Protection Level | IP20 |
| Expandable Units | Up to 63 units in parallel |
| Warranty | 10 years |
| Certifications | UN38.3, UL1973, IEC62619, AU CEC, USCA CEC |





Support Center
Documentation, Compatibility Guides & Installation Help
Home Battery Datasheets
Access detailed BSLBATT home battery datasheets with complete technical specifications to support accurate system planning and energy storage design.
Learn More →Inverter Compatibility List
Check the updated inverter compatibility list to ensure seamless integration with BSLBATT home battery energy storage systems and achieve optimal performance.
Learn More →Product Documents
Explore a complete collection of BSLBATT certificates, datasheets, and user manuals for comprehensive product information and clear usage guidance.
Learn More →Installation Videos
Watch BSLBATT step-by-step installation videos for safe, easy, and reliable home battery system setup and operation.
Learn More →