Solar Cell/solar Module/solar Array?A solar cell is the basic building block of a solar module. Each cell produces approximately 1/2 a volt and a solar module can have any number of solar cells. A solar module designed for charging a 12 volt battery will typically have 36 solar cells while the typical residential grid connected system uses solar modules with 60 solar cells. For large commercial and utility scale solar systems, solar modules will have typically 72 solar cells. By increasing the number of solar cells the module voltage and wattage increases.
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