42 Cloud computing in the field of battery assessments and energy management, optimization and operation; platform-as-a-service (PaaS) for battery management; platform-as-a-service (PaaS) for energy monitoring and optimization; development of computer software; cloud computing services in the field of battery assessments, energy management, optimization and operation; technical data analysis of energy consumption and optimization, battery capacity, charge level and optimization; computer services for the analysis of data relating to energy management and battery capacity, charge level, usage and optimization; development of energy and power management systems; design and development of energy management software; design and development of regenerative energy generation systems; Design and development of energy management software; consultancy in the field of energy-saving; Technical advice in connection with energy-saving measures; technological analysis relating to energy and power needs of others; engineering services in the field of energy technology; programming of energy management software; research in the field of energy; engineering services relating to energy supply systems; testing, characterization and classification of new and used batteries for the purpose of reuse; battery testing; materials testing and evaluation; Platforms for artificial intelligence as software as a service (saas); software as a service (saas) featuring computer software platforms for artificial intelligence; Software as a service (saas) for monitoring energy systems