Up to 3.44 MWh
Massive capacity for large C&I installations

14.3 kWh commercial battery module with 215 kWh per cluster and 98.5% PCS efficiency.
The Deye BOS-B Battery System is a high-performance, scalable energy storage solution designed for Commercial and Industrial (C&I) applications. With advanced lithium-ion technology, it supports systems from 100kW to 2.5MW. Each cluster provides 215kWh of storage with up to 16 racks per PCS, achieving total storage of 3.44MWh per system.
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With 16 racks per PCS configuration, the BOS-B can provide up to 32 hours of backup power, making it ideal for critical infrastructure that requires extended uninterrupted power supply.
The BOS-B integrates with the Deye Cloud Platform for real-time monitoring, smart energy scheduling, and dynamic charging/discharging strategies. It also supports zero-export and time-of-use features for maximum cost savings.
The BOS-B includes high-voltage hazard indication, fault alarms, system diagnostics via integrated LCD, and comprehensive protection through the intelligent BMS. The IP20-rated enclosure ensures safe indoor installation.