* High capacity Lithium battery * Super-fast charging big solar panel * IP66 be fearless of thunderstorm * Long lifetime durable in use * Green resources, energy saving and environmental protection OKES solar street lights are powered by crystal silicon solar cells, maintenance-free valve-controlled sealed battery (colloidal battery) to store electric energy, LED lights as the light source, and controlled by intelligent charge and discharge controller, it is an energy-saving street light instead of traditional public electric lighting. Solar street lights do not need to lay cables, do not need AC power supply, and do not generate electricity bills.It has the advantages of good stability, long life, high luminous efficiency, simple installation and maintenance, high safety performance, energy saving and environmental protection, economic and practical.