I have a factory installed 100 watt solar panel on my Artic Fox fifth wheel and would like to add another 100 watt panel. The manufacture tell me the solar charger will handle another 100 watt panel. ...
Yes, buy a second 100 watt panel. Or a larger or smaller one if you like. As long as the maximum power voltage (Vmp) is close (within a volt I would say) you should be fine. Hook them in parallel and you're done.
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