Modernization of the power supply system applying solar cells and batteries Tetiana Serdiuk, Maksym Serchenko, Anatolii Radkevych, Svitlana Serdiuk and Viktor Skalko MATEC Web Conf., 390 (2024) 01001 Published online: 24 January 2024 DOI: 10.1051/matecconf/202439001001