I bought a Renogy kit with the hard panels (I.e. not the thin flexible panels) and mounted 3 100w panels on my van, for 300w. Anyways, in really strong direct sunlight, I have noticed the app says ...
The 100 W panel rating is more of a theoretical solar panel wattage measurement based on Standard Test Conditions (STC). Normal Operating Cell Temperature (NOCT) is based on 80% solar radiation. Very unlikely you will get 100 W of power from your panels which would require a crystal clear sky with the panel pointed directly at the sun which constantly moves.
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