Quote:
Originally Posted by atreis
My current trailer is only 19 feet on the roof (21 foot box at the longest point) and the usual roof penetrations. I have 320 watts up there and could definitely get twice that without any real effort and probably 3 times that with careful planning. With some thought and planning I seriously doubt that roof space would be a critical factor unless going for a REALLY big array.
Larger panels (150, 200 watt panels) cost less per watt than 100 watt panels and reduce the number of mount points. Also, the panels don't all have to be the same size (watts). If wiring parallel, they should be the same voltage. If wiring series, both watts and voltage can be different. If going for more than a couple hundred watts, consider putting in an MPPT charge controller and wiring the panels in series instead of parallel (or for a very large array, groups of panels wired parallel with the groups connected in series) in order to reduce the wire size requirements and improve efficiency.
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Ok for clarification, The 22E is a Class C, if you subtract the front and rear roof caps the box is only 15' long. The overall length is 24' bumper to bumper.