C-Battery Technical Wiki

Internal Documentation & Integration Guides

Welcome to the C-Battery Technical Wiki

This wiki serves as the central knowledge base for C-Battery’s technical documentation, integration guides, and internal resources.

What’s in This Wiki?

SunSpec Modbus Integration

Our battery energy storage systems communicate using the industry-standard SunSpec protocol over Modbus TCP. This section includes:

• Complete Protocol Documentation: Detailed reference for all supported SunSpec models
• Implementation Examples: Working Python code for common integration scenarios
• Discovery & Connection: How to connect to and discover available models
• Power Control: Setting charge/discharge setpoints
• Monitoring: Reading battery status, measurements, and capabilities

Getting Started

For Integration Partners

1. Read the SunSpec documentation to understand the protocol and available models
2. Try the Pysunspec implementation guide for hands-on examples
3. Refer to the Register Map for exact Modbus addresses of all registers

Support & Contact

For technical questions or support:

• Email: support@c-battery.eu
• GitHub Issues: Report an issue