| The Deye BOS-B Pro-A3 241.2 kWh HV Lithium Battery is a high-voltage, rack-mounted energy storage solution for commercial and industrial applications. With 15 LiFePO₄ modules and a smart BMS, it’s ideal for long-duration storage, peak shaving, and hybrid solar systems.Each BOS-B Pro-A3 rack contains 15 × 16.08 kWh modules, collectively delivering 241.2 kWh of energy with 217.04 kWh usable. These high-voltage batteries integrate flawlessly with Deye PCS and MPPT systems, and offer remote monitoring, smart balancing, and fault detection via advanced BMS technology. |
| High Performance & Scalability |
| The BOS-B Pro-A3 delivers robust and scalable energy storage with each cluster offering 241 kWh nominal energy (~217 kWh usable). Its modular design allows easy expansion up to 2.5 MWh per system, making it ideal for commercial and industrial applications. Designed for long-term reliability, it offers 6,000 cycles at 90% depth of discharge and comes with a 10-year warranty. |
| Advanced Battery Technology |
| Equipped with Lithium Iron Phosphate (LiFePO₄) chemistry, the BOS-B Pro-A3 ensures superior safety, thermal stability, and extended lifespan. The integrated Battery Management System (BMS) optimizes efficiency through intelligent charge balancing, real-time monitoring, and protection against overvoltage, undervoltage, and overcurrent. |
| Intelligent Energy Management |
| Seamlessly integrating with the Deye Cloud Platform, the system supports real-time monitoring, dynamic charging strategies, and smart scheduling. Features such as zero-export control and time-of-use optimization maximize cost savings when paired with solar generation, while ensuring reliable energy management. |
| Built for Reliability |
| The BOS-B Pro-A3 is designed with IP20-rated enclosures for safe indoor installation and includes comprehensive protection systems, high-voltage hazard indicators, fault alarms, and LCD diagnostics. Capable of operating in a wide temperature range from –20°C to 55°C, it delivers consistent and dependable performance even in challenging conditions. |
| Easy Installation and Maintenance |
| With a compact structure measuring 2150 × 1136 × 800 mm per system, this battery is space-saving and easy to integrate into existing setups. It features a user-friendly interface, touchscreen display, Bluetooth connectivity, and USB ports, simplifying both control and diagnostics. |
| Backup and Peak Shaving |
Supports high-load operations with max 180 A charge/discharge current. Provides backup power and enables peak-shaving for reliable, uninterrupted energy in commercial and industrial facilities.
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