... . Working time: 12 hours/day ItemParameter1,Working model: solar power electrical 2,Solar panel :Mono crystalline 17.5v / 200w (120w * ... light:solar irradiation: 5kwh/m*m day 14,Configuration :Can be designed according to customer's demanding 15,Warranty:LED: ... 5years, Battery: 3 years, Controller: 2 years, solar panel: 5years 30w LED solar street light