This unit takes the wires from the solar panel and controls the power to be good for the battery and not over charge it.
													
																	Gluing solar panels to caravan roof. 
									
																	I m over the moon with my solar panel set up. 
																	Everything you need to know about installing solar panels from a basic solar layout to creating your complete caravan solar system with 240v inverter. 
																	All solar panels need a regulator also called a controller. 
																	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. 
															
													
									
																	That s a simple explanation. 
																	Adhesive velcro and just screwing on the flexible panels. 
																	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. 
																	If your caravan or solar panel mounting bracket are made from something different call the sika technical help desk on 1300 22 33 48 for a more specific recommendation. 
															
													
									
																	This is despite the fact that my first one which was a 100w flexible model began to delaminate after only a few months the company just told me to glue it together. 
																	This complete guide has links to a huge range of solar accessories wiring diagrams and battery size calculator. 
																	Your caravan roof is likely to be made out of fibreglass with a gel coat finish. 
																	Flexible solar panels have slightly less efficiency and heat decreases the efficiency as well. 
															
													
									
																	Article by peter smith caravans plus.