Constructed from high-efficiency solar cells, the Renogy E.FLEX 50 Portable Solar Panel keeps you going by turning sunlight into usable energy for your essential electronics. Its smart junction box offers multiple output options for a simple plug-and-play experience-charge smartphones, laptops, rechargeable power supplies, and more! Industrial-strength PET polymers and rugged polyester canvas make the Renogy E.FLEX 50 durable and weather-resistant. This lightweight, compact solar panel is the perfect companion for outdoor activities. Plus, with its integrated carrying handles, you can take it anywhere! NOTE: ? The E.FLEX 50 can only charge laptops with voltage ratings of 16V and 19V and cannot charge USB-C laptops. ? The included 5.5mm DC Adapter Connectors cannot cover all brands and models of laptops on the market. Please confirm whether the included 5.5mm DC Adapter Connectors fit your laptop before purchasing.