ALLPOWERS SF200 Flexible solar panel are made in Monocrystalline solar cells, whose conversion rate can reach 23%-25%. Honeycomb ETFE is used on the surface, and the unevenness forms refraction to collect sunlight from different angles. Coupled with the Solar Connector port with minimal loss, you can get more power at the same time. Great choice for RVs, roofs, campers, trailers, boats, cabins, sheds, tents, yachts.