The panels put out too much voltage if the sun is strong and also when the battery is fully charged and does not need any more.
Gluing solar panels to caravan roof.
All solar panels need a regulator also called a controller.
Flexible solar panels have slightly less efficiency and heat decreases the efficiency as well.
Your caravan roof is likely to be made out of fibreglass with a gel coat finish.
This unit takes the wires from the solar panel and controls the power to be good for the battery and not over charge it.
Everything you need to know about installing solar panels from a basic solar layout to creating your complete caravan solar system with 240v inverter.
To ensure that the solar panel is fitted squarely either mark the roof with a non permanent pen or use a strip of masking tape.
However an awful lot of folks in us and apparently a lot of folks in australia and nz as well from reading the different fora attach flexible panels through.
Adhesive velcro and just screwing on the flexible panels.
Rod farrendon is a keen off gridder and relies on solar power to keep his leisure batteries topped up.
I m over the moon with my solar panel set up.
That s a simple explanation.
Back on the roof attach the waterproof connections on the solar panel s cables to those on the cable leading into the caravan then secure any loose cable under the panel with the clips provided.
Article by peter smith caravans plus.