In addition to the type of solar panel you want, you also have to take into account the same things you would for any major purchase things, like performance, durability, and warranty. These are all different, and some panels will be better suited to your particular needs. Always do your research and look for reliable sources and other user experiences to get the best information before making a decision. Now the fastest way is to contact us! We have professional photovoltaic engineers to solve most of your problems. Wish us happy cooperation.