Features： 1、Monocrystalline Silicon Material: This 15W solar panel is made of high efficiency monocrystalline silicon cells with high conversion rate and high output efficiency. 2、Environmental Protection and Energy Conservation: This portable solar panel uses green energy solar energy, which can contribute to environmental protection. 3、Great Performance: This monocrystalline solar panel is light in weight, convenient to carry, high in stability and great in durability. 4、Easy to Use: Position the solar panel facing the sun. The corresponding interfaces on the wiring can be connected to products that require electricity (such as fans, lamps, etc.). 5、Multiple Applications: This solar panel charger can adapt to a variety of complex adverse weather conditions, suitable for outdoor cycling, mountaineering, hiking, camping, tourism, etc. Specification： Item Type: 15W Solar Panel Charger Material: Monocrystalline silicon Weight: Approx. 450g/15.9oz Output Interface: Dual USB Package List： 1 x Solar Panel 4 x Suckers 2 x Mountaineering Buckles