[Class : 37] Battery Charging Services, Cellphone Battery Charging Services, Mobile Phone Battery Charging, Cellular Phone Battery Charging Services, Vehicle Battery Charging, Installation, Maintenance And Repair Of Energy Conversion Apparatus And Power Plants; Installation, Maintenance And Repair Of Inverters, Batteries And Electrical Connection Apparatus For Solar Energy Systems; Construction Of Energy And Power Generating Installations Being Power Plant Structures; Charging Of Batteries And Power Storage Devices, And Rental Of Equipment Thereof; Installation, Maintenance And Repair Of Inverters, Batteries And Electrical Connection Apparatus For Solar Energy Systems; Repair Of Energy Supply Installations And Of Apparatus For Lighting, Heating, Steam Generating, Cooking, Refrigerating, Drying, Ventilating, Water Supply And Sanitary Purposes.