Nature Power 40 Watt 12-Volt Crystalline Folding Solar Panels uses the sun's energy to charge your portable power system. This model utilizes SUNPOWER solar cells and features built-in multiple DC Outputs including USB/USB-C for fast charging of most portable devices such as cell phones and laptops. Super lightweight and easy storage makes these great for Hiking, Camping, Boating, and RV's. The pre-installed wires and pop-out stand allows for quick and easy set-up in under 5 minutes. (Charge Controller and Battery not included). | Nature Power 40-Watt 12 volt Folding Solar Panel