In a typical module, 36 cells are connected in series to produce a voltage sufficient to charge a 12V battery.





Cells PMAX VMPP IMPP VOC ISC Efficiency
72 340 Wp 37.9 V 8.97 A 47.3 V 9.35 A 17.5%
60 280 Wp 31.4 V 8.91 A 39.3 V 9.38 A 17.1%
36 170 Wp 19.2 V 8.85 A 23.4 V 9.35 A 17%

72cell_module.png
Modules for residential or large fields usually contain either 60 or 72 cells. There are other sizes such as 96 cell modules but they are much less common.

I-V curve for N cells in series x M cells in parallel.

N

130

M

15

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