solar system: 1.Stabilization and dependability 2.energy-saving and economical ... Co.,Ltdsolar system:1. Applications families and offices: lighting, appliance ( LCD computer, Color TV, dvd driver, Satellite TV Receivers, Refrigeratory, Washing ... 3).quiet and environmental protection 3. Warranty and life span: Solar panel :25 years life span, 10 years warranty; battery 12v ...