Sofar Solar 5K-BDU Battery Control Unit

The BTS 5K-BDU control unit is designed to work with battery modules from the BTS series (BTS 5K). It serves as a battery distribution unit in the BTS system, enabling modular installation and convenient expansion of the energy storage system's capacity.

The manufacturer of the device is SOFAR (Shenzhen SOFARSOLAR Co., Ltd.), a long-standing provider of photovoltaic solutions and energy storage systems. SOFAR offers a wide portfolio of inverters and ESS systems, has global production bases and a service network; it designs products in accordance with international safety and quality standards.

Electrical / Technical Parameters

• Max. charging/discharging current: 30 A
• Nominal voltage of the battery module (BTS 5K series): 400 V
• Capacity of the battery module (related BTS 5K module): 5.12 kWh
• Nominal power (assigned to BTS 5K module): 2.5 kW
• Communication: CAN (interface for integration with inverter/control)
• Scalability: supports 1–4 BTS modules in a rack (modular system)

Mechanical Parameters

• Dimensions (W × H × D): 708 × 200 × 170 mm
• Weight: 7.5 kg
• Protection class: IP65
• Mounting method: rack mounting / wall mounting (BTS system component)
• Indicators and interfaces: LED indicators; CAN connectors for communication with BTS modules