DEYE BOS-A High Voltage Energy Storage Control Module BOS-A-PDU-2

The high-voltage control module BOS-A-PDU-2 is a dedicated control and connection panel for the Deye BOS-A energy storage system. It provides a safe connection and communication between the BOS-A battery packs, inverters (PCS), and monitoring devices; allows for manual disconnection and service access, and BMS updates via USB and communication ports.

The module is manufactured by Deye — a company specializing in energy storage solutions and photovoltaic inverters. In the Deye catalog material, the BOS-A-PDU-2 module is presented as a component of the BOS-A system, describing its communication functions (RS485/CAN/Bluetooth), protections, and interfaces required in C&I installations.

Electrical and Technical Parameters

• DC Operating Voltage Range: 200–1000 V DC
• Maximum Charge/Discharge Current: 160 A
• Auxiliary Power/Input DC: 12±2% V / 4.15 A (auxiliary power input)
• Communication Ports: COMM1, COMM2, PCS COM, IN COM, OUT COM, Ethernet (some functionalities in certain variants not fully developed)
• Battery and PCS Inputs/Outputs: B+ / B- connectors, PCS1+, PCS1-, PCS2+, PCS2-
• Protective Functions: isolation switch, HV and alarm indicators, BMS alarm transmission capability
• Additional Ports: USB (BMS update and memory expansion), Bluetooth (connection to mobile app)

Mechanical and Environmental Parameters

• Protection Degree: IP20
• Operating Temperature Range (charging): 0 °C to 55 °C
• Operating Temperature Range (discharging): -20 °C to 55 °C
• Storage Temperature: 0 °C to 35 °C
• Dimensions (L×W×D): 632 × 572 × 142.2 mm
• Weight: 21 kg
• Indicators and Elements on the Front Panel: display/status screen, START button (12 V), lights: HV (yellow), ALRM (red)