BCU-02 Control unit
Voltage: 24 VDC, allowing ±20% fluctuation range.
Power consumption: BCU-02 Maximum power consumption is 5W, and may reach 7W in some configurations.

Operating temperature: from -25°C to +70°C.
Humidity: BCU-02 Operating humidity range is 5% to 95%, non-condensing.
Communication protocols: BCU-02 Support Modbus RTU, IEC 60870-5-101/104, DNP3.0, IEC 61850 and other communication protocols.
Power options: 24V DC or 110/220V AC power options are available.
Data transfer rate:BCU-02  In versions that support higher configurations, the data transfer rate is up to 100Mbps.

Ethernet port: Provides two Ethernet ports for redundancy and higher reliability.
The BCU-02 has advanced features such as temperature compensation to ensure that the battery is charged within the optimal temperature range for maximum efficiency and lifetime. It may also have a built-in microprocessor that monitors the battery voltage and adjusts the charging current to ensure that the battery is charged safely and quickly.