solargarden light is an independent renewable lighting system, which has the characteristics of energy saving,environmentfriendly, high efficiency and long life span. Solar garden light couldbe used for public lighting in residential area, parks, plaza and etc. The main system of solar low-pressure sodium light is the solar generating system, the solar module collect. sunlight and converts sunlight into electricity, which charges the maintenance-free sealed lead-acid batteries in the day time. At night the light turns on automatically, using the electricity stored in the batteries during the day. No wiring, no utility bill to pay, with lighting option from 4 to 12 hours.