solar LVD induction street light CE,UL,ROSH lifespan: 100,000 hours lumen : ... 80 lm/w wattage 40W ~ 120W power factor 0.99 For solar ... farther between ballast and heat source, the better. 6. Solar system, 12VDC or 24VDC, take care that control system ... voltage item, it is best choice to use in solar system. Together with street fixture, better choice than ...