Solar Street Lights aresuitable to be used for the places where sunshine is enough, not easy to connect to city line. It is cheap for long term use, easy to install, no extra cost on installation and maintenance 5 meters in height Q235 Materials of pole hight qualitypole, good outdoor lacquer. 1. Storage battery: 95AH/12V*2pcs sealed maintenance-free lead-acid battery 2. Controller: capable of agaist overcharging, overdischarging, reverse polarity, lighting control and time control. 3. illumination time: 10 hours daily (adjustable), continuous to work 3-4 days in rainy condition.