Integrated all-in-one Street light Specification Module Monocrystaline Battery Lithium-ion / Lithium PO4 Charging Time 6-8 hours by sun Discharging Time 10-12hours/day 3 days backup Working Temperature -20℃- 70℃ Mounting Height 5-8m (suggested) Space between light 15-25m (suggested) Housing material Aluminum alloy Warranty 5 Years Usage/Application Road, Subway, Highway etc