Why choose ALLPOWERS 100W portable solar charger？ * High Efficiency: 100W Monocrystalline solar cell is made from US, up to 23.5% efficiency, providing endless joice for laptop and other battery under sun. *Exclusive tech: charge faster, charge safer.power up to USB output 2.4A Max.DC output 5A Max. * Easy to carry: Portable and frame design in folded fit for outdoor and indoor use, no space occupy. Made for Charging Portable Power Station or Laptop. * Highly Compatible with most solar generator/portable power station,laptops,car battery on the market. (1)18V DC output: Compatible with most solar portable generator or laptop, included different size of connectors. (2)5V USB port and 5-1 connectors for smartphones, notebook and tablets, external battery packs, and other 5V USB devices *Alligator clip for charging 12V car battery. 1.High efficiency material(up to 23.5%) *100W Monocrystalline solar cell is made from US, up to 23.5% efficiency, providing endless joice for laptop and other battery under sun. *1/3 lighter than the same power of solar slicon. The total power increased by 1/3 in compare with the same solar panel size. 2.Waterproof and Durable high anti-wear PET solar panel with IP65 waterproof protection level , high temperature resistant,over power protection, surge protection, short circuit protection, ideal for outdoor activities such as camping trips and fishing. 3.Easy to set up anywhere & High Portable Design ・Foldable Size: 12*7.5*3.5 inch ・Weight: 1.28kg/ 45oz ・It can be folded into a briefcase for easy transport. You can place the panel on the outside of the bag, absorbing solar energy anywhere under strong sunlight.