How to determine quality of solar street lamps light source?

For solar street light we can see everywhere, and now the solar street light is used for the side of the road for pedestrians lighting, now there are many families install solar street lamps for home lighting, this time you need to solar street lamps light source quality should be good enough, so as not to affect vision, how to determine the quality of solar street lamps light source?

　　1. See the brightness of lamps and lanterns: are generally large power LED brightness will be smaller than the power of light a lot, at the same time the price will be expensive.

　　2. See the light Angle of lamps and lanterns: use different LED light Angle is different. According to different needs, choose to suit oneself buy the applications of lamps and lanterns is very important. So to buy their own application field have to understand.

　　3. See the antistatic ability of lamps and lanterns: antistatic ability of LED, long service life. Antistatic usually greater than 700 v LED can be used for solar street lamp lighting.

　　4. Know lamps and lanterns of radiator, radiator can see the appearance of lamps and lanterns, if the external or internal of lamps and lanterns is made of aluminum, could solve the thermal effect of lamps and lanterns so as to achieve better prolongs the service life of lamps and lanterns, temperature on the service life of LED lamp bead plays a critical role.

　　5. Know the wavelength of lamps and lanterns: wavelength consistent leds, color is consistent, relative prices will be higher. We should be aware of, not the manufacturer of the LED light color separation instrument is not easy to produce the pure color products, so there must be a choice products of reputable manufacturers.

　　6. Understand the power of lamps and lanterns: according to the design requirements of different manufacturers, can be divided into constant current power supply and constant voltage power supply two kinds, no matter which kind of, the power of the whole service life of the lamp only plays a central role. If the lamps will be broken, are generally the power supply is burnt out.