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Commercial Solar Cells

Jose Said:

A commercial solar cell puts out 3V and 0.1 A and measures 5 by 8 centimeters...?

We Answered:

Power / cell = 3V * .1A = .3W / cell

40W / (.3W / cell) = 133.3 cells, rounding up gives 134 cells.

Most engineers would de-rate by 10% to give a margin of error. Doing so would give

133.3 * 1.10 = 146.6 or 147 cells

Discuss It!