Designed for Type-C charging: Charge your gadgets directly. 45W Portable Solar Panel (Type-C) includes a Type-C output port to direct charge devices like phones, laptops, and air pumps. Extremely compact: With its folding four-panel structure, the portable solar panel significantly reduces to 8.7x12.2x1.6 in in size when folded. Thinner as a book, Fits in any compact space. Adventure-Proof, Rain or Shine: Featuring robust PCB fiberglass and a durable ETFE coating, our panels are designed to withstand challenging weather conditions with IP68 certified. Up to 25% conversion rate: Charge faster with an even smaller panel.With the introduction of TOPCon solar technology, a first in the mini portable solar panel industry, we&';ve set a new standard for conversion efficiency, achieving 25%.