75W Solar Power System 1. 5 yrs Quality Warranty 2.CE Certification 3.High ... discharge:80%51Accessories Bracket, control cabinet, etc 20-251MAIN FEATURE1.FOR 2 rainy ,cloudy days2.Systems include: solar panels, controllers, batteries ... 5hours a day5. environment: -15 °C -85 °CSolar Power System home use updated 2011-12-24 75W Solar Power System for Home Using