... circuit protection, reverse protection,overload5-81Battery12V/100AH1 Fully-sealed and maintenance-free GEL battery,Depth of discharge:80%51Accessories ... Bracket, control cabinet, etc 20-251MAIN FEATURE1.FOR 2 rainy ,cloudy days2.Systems include: solar panels, controllers ... 5hours a day5. environment: -15 °C -85 °CSolar Power System home use updated 2011-12-24 75W Solar Power ...