Integrated all in two solar led street light is a pratical design with  MPPT solar charge controller and high capacity lithium battery built inside of light fixture. It only requires to be connect to solar panel directly with universal MC4 plugs. Customers can arrange the solar panel from other suppliers or source it from local market or can use their solar panel in stock.   One. Integrated design, module structure and plugging connection make easier to install, maintain and save budget. Helios Series possess Type II illumination shape like bat wing beam, which is more suitable for applying to road, way, lane, walkpath. You can witness the better uniformity without dark area, and enjoy driving with security.