Calculate Voltage From Solar Cell - No Temperature/Apparatus Needed

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To calculate the voltage produced by a solar cell, it is primarily determined by the current, temperature, and the number of cells in series. Each solar cell typically generates about 0.6 volts, so multiplying the number of cells by this value gives an estimate of the total voltage. The characteristic I-V curve from the cell's datasheet provides specific voltage information at a given temperature. It's important to note that if cells are arranged in parallel, the voltage remains the same as for a single cell. The voltage output will vary slightly with temperature and is only applicable in direct sunlight.
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How to calculate the voltage produre by solar cell ? Need temperature reading or other apparatus ?
 
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It's mainly a function of current, temperature and the number of cells in series. The datasheet should provide you with the characteristic I-V curve for a single cell at a given temperature.
 
You can assume about 0.6 volts per cell, so you can count up the cells just by looking at the solar panel and multiply by 0.6.

Watch out for cells in parallel, though. If you have 3 parallel strings of cells, the voltage will only be the same as for one of them.

This will vary slightly with temperature and also the output only applies in direct sunlight.
 
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