Battery Cell Diagram - Lithium Battery Failures . The performance of Lithium Ion cells is dependent on both the temperature and the operating voltage. The diagram below shows that, at all times, the cell operating voltage and temperature must be kept within the limits indicated by the green box.. Battery Chargers, Rectifiers, DC Power Systems. La Marche MFG 106 Bradrock Dr Des Plaines, IL 60018 Phone: 847-299-1188.