Highly Efficient Solar Panels This one-piece, folding 400W portable solar panel is perfect for home, camping, and off-grid living. With high solar output and an improved efficiency rating of 23%, you can charge your portable power station even faster than before.Self-supporting The protective case conveniently folds out into a stable stand that adjusts from 40-80°, allowing the flexible solar panel to capture the most rays.Durable and Lightweight Made from layers of pliable EVA and durable fiberglass to combine the versatility of flexible solar panels with the strength of rigid ones. Weighing only 35.3 lb, the lightweight design and built-in shoulder strap make it ideal for outdoor adventurers.Weatherproof Each monocrystalline silicon cell is covered with ETFE film, protecting against debris, dirt, and water. With an IP68 waterproof rating, this portable solar panel works safely in all kinds of weather, perfect for camping and rooftop use.Folding and Portable With a compact design, this 400W portable solar panel saves space for travel and storage. Easy to set up to charge your portable power station. When you’re ready to go, quickly collapse the panel down and slide into the protective case to stow in your van or car.