BSL Battery ECO 51.2V 100Ah
The BSLBATT B-LFP48-100E 3U is a high-performance 5.12kWh LiFePO₄ rack-mount battery designed for residential, commercial, and telecom backup energy storage. Built with UL-listed 3.2V prismatic LiFePO₄ cells, a 100A intelligent BMS, and scalable parallel capacity up to 63 units (322.56kWh), this 3U-format battery delivers exceptional reliability, safety, and longevity.
Tested to 4000 cycles at 90% DOD, this module ensures stable performance for more than 15 years under daily cycling. With RS232/RS485/CAN communication and a compact 3U metal chassis, the B-LFP48-100E 3U integrates seamlessly with hybrid inverters and modular ESS systems.
Product Features
High cycle life: 4000+ cycles at 90% DOD (15+ year design life).
UL-listed LiFePO₄ prismatic cells for maximum safety & reliability.
Scalable up to 63 units for system expansion up to 322.56kWh.
100A internal BMS with RS232, RS485, CAN communication.
Compact 3U rack-mount design saves space and simplifies installation.
High continuous discharge capability up to 100A (5.12kW).
Peak discharge 150A (7.68kW, 1 second) for load surges.
Safe and stable LiFePO₄ chemistry suitable for daily cycling.
Supports on-grid, off-grid, UPS, telecom, and renewable energy systems.
Specifications
Model: B-LFP48-100E 3U
Battery Type: LiFePO₄
Rated Voltage: 51.2V
Nominal Capacity: 100Ah
Energy: 5.12kWh
Usable Energy: 4.608kWh
Cell Configuration: 16S1P (16 × 3.2V cells)
Dimensions (W × H × D): 538 × 483 (442) × 136 mm
Weight: 46kg
Discharge Voltage: 47V
Charge Voltage: 55V
DOD: 90%
Charge Performance
Rated Charge Current: 40A (2.048kW)
Max Charge Current: 80A (4.096kW)
Peak Charge Current (1s): 110A (5.632kW)
Discharge Performance
Rated Discharge Power: 5.12kW
Max Discharge Current: 100A (5.12kW)
Peak Discharge (1s): 150A (7.68kW)
Environmental
Working Temperature: – Charge: 0~55°C – Discharge: –20~55°C
Storage Temperature: 0~35°C
Humidity: ≤60% RH
Altitude: ≤4000m
Cooling: Natural air cooling
Protection Level: IP20
Self-discharge: ≤3% per month
Electrical & Communication
Communication: RS232 / RS485 / CAN
Parallel Expansion: Up to 63 units
Short Circuit Protection: Supported
Certifications
UN38.3
Meets UL standard pack design
Warranty
6-Year Product Warranty
15+ Year Design Life
What’s in the Box
1 × BSLBATT B-LFP48-100E 3U Battery Module
Rack mounting accessories
Communication cables (RS485/CAN/RS232)
Power cables
User manual
Warranty documentation
System Overview
Rack-mount 3U design ideal for modular energy storage cabinets.
Suitable for solar, UPS, telecom, industrial backup, and micro-grid systems.
Can be paralleled to build energy systems from 5.12kWh up to 322.56kWh.
Stable LiFePO₄ chemistry ensures high safety and long operating life.
Drop-in compatible with many 48V hybrid inverters.
Warranties:
All inverters and batteries must be installed by a qualified electrical wireman or Master electrician with a valid Department of Labour registration. A valid COC must be issued once installed. Warranty claims require installation photos, a valid COC, and proof of qualified installation. Incorrect installation may void the warranty.

























