Battery storage systems are transforming how buildings manage energy, but they also bring important safety and regulatory challenges. Understanding and adhering to relevant building codes is essential to ensure safe installation, operation, and integration of these systems. As technology evolves, staying informed about updates in codes and best practices will help building owners, engineers, and contractors maximize benefits while minimizing risks. This guide highlights the key considerations and code requirements, providing a solid foundation for compliant, efficient, and safe battery storage implementation in modern buildings.