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The BOS-A50 is the ideal solution for smaller commercial applications and demanding private customers seeking a reliable and modular energy storage solution. Designed for supermarkets, schools, banks, small production facilities, or agricultural operations, this system combines high performance with smart design and maximum safety.
Thanks to its scalable structure, the BOS-A50 offers a usable storage capacity of nearly 54 kWh based on advanced LiFePO4 technology. The modular design with 7 battery modules (each 7.68 kWh) and a high-voltage control module allows for flexible use as well as easy installation and maintenance—even in confined spaces.
Target Audience and Application Area
Designed for small businesses, branch networks, and decentralized energy projects—the BOS-A50 is optimally suited for self-consumption optimization, peak load shifting, and backup power supply in commercial environments.
High Energy Density: Compact design with large storage capacity
Scalability: Modularly expandable up to 21 battery modules (up to 161.28 kWh)
Safety-Oriented Design: Multi-level protection concept for cell and system level
Intelligent System Management: Automatic balancing, temperature control, and fault diagnosis
Flexible Use: Perfectly combinable with on-grid/off-grid inverters
Technical Highlights
Nominal Capacity: 53.76 kWh
Depth of Discharge (DOD): 90%
Nominal Voltage: 268.8 V
Voltage Range: 235.2 – 306.6 V
Max. Current: 160 A
Cell Type: LiFePO4
Temperature Range: Charging 0–55 °C / Discharging –20–55 °C
Protection Class: IP20
Lifespan: ≥6000 charge cycles
Warranty: 10 years
The BOS-A50 combines compact design with high storage capacity, state-of-the-art LiFePO4 technology, and extensive safety architecture. It is the future-proof choice for efficient and reliable energy management on a small to medium scale.
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Warranty / Guarantee:
Guarantee: 2 years
Manufacturer's Warranty: 10 years (please refer to the manufacturer's specific warranty conditions)
