Central management unit for Deye BOS‑G battery clusters. Controls high-voltage series strings (3–12 modules), protecting cells and providing power/control communication to the solar inverter.

• Designed for 120–750 Vdc systems; 100 A nominal / 125 A peak charging/discharging support

• Monitors & protects against over-voltage, under-voltage, over-current, and thermal faults

• ±2% 12 VDC supply interface (for rack power); wide −20 °C to +65 °C operation window; IP20 rating, ≈15.5 kg

• Integrated CAN/RS485 BMS gateway; LED & HMI indicators for status and alarms; remote firmware updates supported