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Understanding the spec sheet

Pmax: 50W

Max Power: the rated output power of the solar panel under Standard Test Conditions (STC)

Vmp: 17.00V

Operating voltage: the rated operating voltage of the solar panel 

Voc: 20.23V

Open circuit voltage: the voltage of positive and negative ends of the open circuit when the solar panel output is not connected

Imp: 2.94A

Operating current: the rated operating current of the solar panel 


Short Circuit Current: the current flowing through the photovoltaic conductor when there is a short circuit between the positive and negative electrode of the solar panel

Pmax= Vmp* Imp

STC: (Standard Test Conditions): 1000W/m² Irradiance, 25°C module temperature, AM1.5g spectrum according to EN 60904-3 

Mona is the author of this solution article.

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