... connecting,electricity indicator.Advantage:1.Multifunction,used for DC output,and charge for mobile charger,LED light ,etc.small household application ... make sure our product'a quality.1.The solar panel and controller 100% tested by computer before shipment.2.All the ... *320 10PCS/CTNWeight(KG): 16.00 6,800pcs/20'GP new design mini led solar energy system with charge function for rural