We are offering solar led street lighting system-18w ssl. solar street lighting system is a device that operates using the light energy available from the sun to provide lighting during nighttime. The solar pv outdoor lighting is a reliable and an efficient stand-alone system. The standalone solar photovoltaic street lighting system comprises of a led lamps as light source, re-chargeable lead acid battery for storage, pv modules for charging the battery, suitable electronics for the operation of the tamp and safe charging and discharging of the battery and mechanical hardware for fixing these sub systems. Solar street lighting is available with automatic dusk to dawn operation.solar street lighting operates at input voltage ac90-240v and efficiency of the product is 90%.our led/induction lights emit no light pollution, provides bright white light which improves color recognition and improves night visibility from 400%-1000% over other light sources. 3-5 days backup power for rainy, windless and cloudy days. specifications : 18w ssl type of lamp : cree led type of light : whitewattage : 24 wdusk to dawn operation : automaticluminous flux in lumen : >3400 lumenslumen efficiency : 100-120 lumens/wattautonomy: 2 dayseffic. Of electronics (%) : > 90%solar panel type : mono /poly crystallinesolar panel size (wp) : 150charging time with solar panel (hours) : 7- 8 hourstype of battery : tubular maintenance free gel batteriesbattery specification : 12v, 75ahcharge controller : yes ( pwm )solar panel mounting : yesapplication : indoor/outdoorstreet light pole : (optional)warranty : luminary 2 yearsbattery 5 yearsspv 5 years limited 10 years 90% effci