ALLPOWERS SF100 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 MC-4 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.