The BLUETTI P090D to P150D connection cable is a durable adapter designed to connect P090D-based batteries (such as the B300/B300K models) to devices equipped with P150D (such as the AC500). It features high-quality copper wiring for maximum current efficiency and secure locking connectors, enabling seamless integration across different BLUETTI generations. This cable is the essential component for users looking to expand the capability of the AC500 system using existing B300 series battery modules.