... Solar System,Portable Solar System,DC Solar System 2.20W DC Solar DC Home Power System 3.Used 100 led ligjt Solar System,Portable Solar System,DC Solar System1.Constructed by amorphous silicon solar ... electricity or unreliable electricity supply.2.System Configuration: Solar module: 1 piece Power 20W, output ... DC energy saving lamp: 1pc of 20W/18V3.System Usage: Solar module should be placed outdoor ...