- Universal Compatibility : Charge two devices simultaneously with dual USB ports, including a QC3.0 port that delivers up to 18W of fast charging. The DC5521 port provides 18V output, suitable for laptops, tablets, digital cameras, and more, using the 10 included adapters. It also supports low-power portable energy storage devices. - Efficient Solar Conversion : Featuring four large monocrystalline solar cells and advanced EVA/PET composite materials, this charger achieves a remarkable energy conversion efficiency of 22.5%, ensuring quick and reliable solar charging. - Rugged and Waterproof Design : Constructed from durable polyester and EVA-PET composite materials, this charger is resilient against harsh conditions. With an IPX4 waterproof rating for the solar panel, it can handle unexpected rain. Perfect for camping, climbing, hiking, and picnics (note: junction box is not waterproof, keep it dry). - Compact and Portable : Foldable design makes it easy to carry, measuring only 10.6 x 7 x 1.8 inches when folded and 39.76 x 10.6 x 0.8 inches when unfolded. Weighing just 900 grams, it includes two stainless steel hooks for easy attachment to backpacks during your outdoor adventures. - Enhanced Safety Features : Certified by FCC, RoHS, and CE, this solar charger includes short circuit and surge protection technology, keeping both you and your devices safe during use. Use Scenarios : 1. Recharge your laptop while camping, ensuring you stay connected and powered up. 2. Power your smartphone and tablet during a hike, keeping your devices fully charged for navigation and communication. 3. Utilize it at outdoor events or picnics to provide energy for cameras and portable speakers, enhancing your experience.