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What does the watt rating mean on solar panel?

We measure the output of a solar panel in watts. Just like the watt rating of a 100 watt light bulb, the solar panel will be flash tested at the factory and assigned an output wattage. Most solar panels have a 5% plus or minus fluctuation, but if you have a 100 watt panel sitting in the sun, you would get most of that 100 watts ruing peak production.


Solar panels - A complete list of all the solar panels we currently carry.

Solar panels (PDF) - How do they work, will they work when shaded, how do I set them up?

FAQ about solar power (PDF)

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