How do I know the wattage of my solar panel

[n8ess]

We have just taken the plunge on our first motorhome "2003 Hymer B524" , there are no receipts relating to the solar panel, is here an easy way of knowing how it is big wattage wise?

 

[Stealaway]

How big are they physically?

 

[pappajohn]

Size of panel and number of cells gives a general idea.
Unfortunately I forget but someone will be along.

 

[Jimbohorlicks]

Have a look underneath the panel with a phone in video.mode.
Plus if you measure the panel you can estimate the wattage from that. Most panels approx 650mm X 1200 mm are 100 watt

 

[n8ess]

Thanks

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[mitzimad]

Measure them and compare with those on e bay and amazon, other selling sites are available