A Street Lamp In The Park Royalty-Free Stock Photo

Solar street lamps are powered by crystalline silicon solar cells, maintenance free valve controlled sealed battery colloidal battery storage power, super bright LED lamps as light source, and controlled by intelligent charge and discharge controller, instead of traditional public electric lighting street lamps. No need to lay cables, no AC power supply, no electricity generation, DC power supply and photosensitive control. It has many advantages such as good stability, long life, high luminous efficiency, easy installation and maintenance, high safety performance, energy saving, environmental protection, economy and practicality.