... indicate the status of battery,charging,mistake,the connection of AC and DC output. 5.With intelligent control, the system is ... of short circuit, overload,overcharging, overdischargingSpecification of 20W portable solar generator: Part NameItemTechnical DataSolar Power ParametersMax Output18V 20W Max Current1.1A ... system , fans, TV, computer, etc. 2012 New Design Portable Solar Generator for Home Use