The Grandwatt innovative SX9 series solar light tower is efficient and delivers high performance, giving workers good visibility while allowing sites to increase sustainability with zero CO₂ emissions and zero noise, zero operating costs (diesel fuel, maintenance, labor), it is 100% renewable energy, stronger structure can load more power solar panels and batteries, patented rotating mechanism can adjust angle of solar panel to align with the sun's location perfectly to achieve maximum solar yield. Equip with latest photovoltaic and Energy storage controller system, very intelligent, it can be monitored by phone APP to set auto timer switches auto turn on-off the lights.