Deye BOS-B 215 kWh 768 V 280 Ah LiFePO₄ BOS-B-PDU-2 Energy Storage System is a high-voltage commercial-grade ESS built on proven LiFePO₄ chemistry. It consists of 15 BOS-B battery modules (14.3 kWh each, total ≈ 220 kWh), the BOS-B-PDU-2 control unit with integrated BMS, and an active cooling system.
The system is intended for C&I applications, industrial plants and solar projects, offering up to 6000 cycles at 90 % DOD and a service life of over 10 years. It operates safely within –20 to +55 °C and is fully compatible with Deye PCS hybrid inverters.
Main specifications:
Total energy — ≈ 220 kWh
Capacity — 280 Ah
Voltage — nominal 786 V (operating range 660–876 V)
Max current — 168 A
Cycle life — 6000 (90 % DOD)
Active cooling and metal enclosure
Warranty — 120 months
Key advantages:
Safe LiFePO₄ chemistry with excellent thermal stability
High-voltage architecture for reduced losses and higher efficiency
Full compatibility with Deye PCS and EMS systems
Modular design for easy scalability and maintenance
Intelligent BMS with CAT5E and optional Wi-Fi communication
Designed for C&I facilities requiring stable and long-term energy storage
Deye BOS-B 215 is a reliable, scalable and safe solution for commercial and industrial energy storage applications.