50W DC 5V/18V Dual Output Solar Panel with 2 USB Ports & Car Charge IP65 Water Resistance 12V/24V Solar Charge Controller PWM Intelligent Regulator solar panel charge with DC 5V/18V output and IP65 water resistance perfect for various activities illuminating use like camping hiking riding fishing and emergency. With a controller to control batterys voltage and turn on circuit. Also when batterys voltage rises to a certain level it will stop charge for safety. Features: Monocrystalline solar panel and environmental film to use with long service life. Environmental protection solar energy bill-free and user-friendly. Two standard USB port fits to be power-supplys for mobile phone and other portable digital devices. Provide car charge for car-charging and clip can be used to charge 18V batterys. Controller provides short-circuit protection open-circuit protection reverse protection overload protection. Solar controller can clearly indicate status and data it can be conveniently switched modes and parameter configuration. Is perfect for -acid batterys: OPEN AGM NOT for nickel hydride ions or other. Adjustable charge voltage discharge stop voltage and discharge reconnect voltage. Perfect and to use in various applications such as home industrial commercial etc.