Street lamps use is various, what all have, solar energy, scenery complementary, leds, mains, now has a street light also in the promotion, in addition to the combination of wind and solar energy can be used by the lamp act the role ofing, nature also can be combined with solar electric, lighting, is complementary solar street lamps, electric, its price is not expensive, easy to use. Complementary to the urban areas of the power supply convenient, choose grid solar street light is also a good choice. But there is the sun, can use solar energy for street lamp power supply, when the rainy day, solar energy storage energy shortage, you can switch to the mains to the way the light is light, it can decrease the solar power system configuration. Investment in itself, it can reduce the solar use ensures street lamp lights can be stable in the rainy day, so will be complementary and promote the use of solar street lamps, electric, which is very suitable, is under the condition of invariable in keeping the original line, add solar power supply system, more practical.