cheaper, portable,2 LED use,lighting up 15 hours, cellphone charging, small solar power system Solar Energy Kit Operating InstructionOverviewSolar energy kit ... for LED bulb and cellphone charging.Operating instruction1) Place the solar panel on where under direct sunlight .2) On charging ... mini usb,LG KG90,Sony Ericsson K750,Iphone, USB. 5) Operating manual5 Parameters Solar panel,size,cable3W 22.5*19. ...