The Solar Cell I-V Characteristic Curves shows the current and voltage (I-V) characteristics of a particular photovoltaic (PV) cell, module or array. It gives a detailed description of its solar energy conversion ability and efficiency. Knowing the electrical I-V characteristics (more importantly P. . The Solar IV (Current-Voltage) Curve is the characteristic curve of a solar cell, which is essential for understanding the performance of a solar cell. It is also used to determine important parameters such as the open-circuit voltage (Voc), the short-circuit current (Isc), the maximum power point. . The behavior of an illuminated solar cell can be characterized by an I-V curve. Interconnecting several solar cells in series or in parallel merely to form Solar Panels increases the overall voltage and/or current but does not change the shape of the I-V curve.