Design of apparatus and machines for filling purposes; maintenance of computer software used for operating filling apparatus and machines; design, development and maintenance of computer software related to electrical vehicle charging; design, development and maintenance of computer software related to electrical vehicle charger management; design, development and maintenance of computer software related to electrical vehicle charger device management; monitoring of battery charging status; monitoring of wirelessly connected electric vehicle battery apparatus with embedded firmware and software for storing and supplying electricity to ensure proper functioning and programming; remote monitoring of the functioning of electric vehicle battery charging; quality control for others, namely, monitoring of electric vehicle battery charging status; development and maintenance of charging devices for electric vehicles; management of power storage apparatus, namely, monitoring the technical operation of power storage apparatus; electrical safety research; technological consulting services in the field of alternative energy generation; technical consulting in relation to renewable energy production; research and development of power converters, power inverters and power chargers for use in renewable energy systems; technical diagnostic testing services relating to energy management; research in the field of energy; development of downloadable and recorded computer software for payment of services relating to electric vehicle charging; development of downloadable and recorded computer software for billing systems relating to electric vehicle charging; development of computer program for billing system related to electric vehicle charge; development of computer program for payment system related to electric vehicle charge; remote monitoring and provision for diagnosis of electric vehicle battery charge status