*Controller: special controller for solar lamps, light control + time control
*Energy storage battery: fully enclosed maintenance-free lead-acid battery
*Guarantee for cloudy and rainy days: It can work continuously for 4~5 cloudy and rainy days (different regions/seasons) (can be made according to requirements)
Solar underground lights do not need to lay underground cables, and do not need to pay for lighting electricity. The key components used in solar underground lights, solar panels, solar DC street light intelligent controllers, maintenance-free batteries, and LED lamp beads have all passed the National Development and Reform Commission/GEF/World Bank photovoltaic product certification. It is mainly suitable for the lighting of urban roads, residential squares, industrial parks, tourist attractions, park green belts and other places.