... display system,it can indicate the status of battery,charging,mistake,the connection of AC and DC output. 5.With ... control, the system is equipped prorections of short circuit, overload,overcharging, overdischargingSpecification of 20W solar generator:Part NameItemTechnical DataSolar Power ParametersMax Output18V ... system , fans, TV, computer, etc. 2012 New Design Solar Generator for Home Use