The RD-HVBMSCT800BUN is a reference design bundle for 800 V high-voltage battery management systems (HVBMS), providing a complete platform for battery management development, evaluation and prototyping. The bundle includes the RD-K358BMU battery management unit (BMU), RD33774CNT3EVB cell monitoring unit (CMU), RD772BJBTPL8EVB battery junction box (BJB), software drivers and functional safety documentation. Designed for scalable HVBMS development, the RD-HVBMSCT800BUN supports development, testing and validation of advanced battery architectures for electric vehicle and energy storage applications.