1.high efficiency led street light,5 years' warranty 2. ... Strategic Partner with long-term relationships, panel conversion efficiency can be up to 17%; 20 years life, ... : our pole is overall hot-dip galvanized, coating color according to your requirement, with stainless steel fasteners, ... reverse, anti-thunder more than 4KV etc.6> High conversion efficiency, still can charge the battery in overcast and ...