... and half-power wind-solar street light adopts high power LED and high-effective wind power generator (2.5 grade ... free lead-acid battery,over charge & discharge protection.with high quality; 8~10 years life, 3 years guarantee.3. ... life, 3 years guarante.4. light source: imported LED light source, 20W~84W.80~90 120~130lumen,80000hrs ... : 6m~12m, solar and wind street light of high quality illumination