... mobile phone/camera/MP4 . 3.Energy-saving Features The system charges your battery with solar power, even if cloudy day ... , weatherproof, Supply for mobile phones, digital cameras, electric fans, small appliances for home use, etc. Specifics:1.Size ... avoid full discharged and over charged.10.Usage: 2pcs LED lamps include,could light continuously for a long time. solar power system for ...