Portable Solar Generator 1.Function:computer,TV,etc 2.Benefit:convenient&energy saving ... , overload,overcharging, overdischargingSpecification of 20W portable solar generator: Part NameItemTechnical DataSolar Power ParametersMax Output18V 20W Max Current1.1A Voltage22.5V ± 10%ControllerController ... system , fans, TV, computer, etc. 2012 New Design Portable Solar Generator for Home Use