The Battery Jar Round (Simple Cell Jar) is a laboratory glass container designed for conducting electrochemical experiments and simple cell demonstrations. It is commonly used in physics and chemistry laboratories for assembling voltaic cells, electrolysis experiments, and other electrical studies.The jar is manufactured from clear soda glass, providing good visibility of the contents and reactions taking place inside. Its round shape and sturdy construction make it suitable for holding electrolytes and electrodes during experimental procedures. The standard size of 15 × 10 cm offers adequate capacity for classroom and laboratory