High Quality Content by WIKIPEDIA articles! Ucar batteries was Union Carbide's former zinc chloride industrial and consumer/domestic battery branch. Energizer alkali batteries were sold off to Ralston Purina in 1986. An electrical battery is a combination of one or more electrochemical cells, used to convert stored chemical energy into electrical energy. Since the invention of the first Voltaic pile in 1800 by Alessandro Volta, the battery has become a common power source for many household and industrial... Mehr