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The right posture for choosing solar lights

View: 3602/10/2020  

When you decide to purchase 15W solar street light, you must understand at least 5 aspects from the manufacturer. 

1、 Solar panel

2、 Material

3、 Number and brightness of light sources

4、 Sensor

5、 Battery

15W solar street light

The details will be introduce in the following:

Type of solar panel. Basically, there are three kinds of solar panels for solar lighting: monocrystalline silicon solar panels, polycrystalline silicon solar panels, and amorphous silicon (film) solar panels. Monocrystalline silicon solar panels are considered to be the most efficient. Their photoelectric conversion efficiency (how much solar energy can be collected and converted into electric energy) is between 15-21%, but they are also the most expensive ones. Monocrystalline silicon solar panels are mainly used for the power supply of high-power electrical equipment such as photovoltaic power stations. Polysilicon power

The photoelectric conversion efficiency of the pool plate can reach 16%. Because of its low manufacturing cost, it is now used by most lighting manufacturers.

Wattage. One of the most important measurements of solar panels is wattage. It shows the amount of electricity generated by solar panels under ideal conditions, for example, a 15W Solar Panel will output 15W hours (WH) of electricity per hour. The greater the brightness of the lighting, the higher the power required by the lights. For example, a low-power light that produces hundreds of lumens of light can be charged with a 5-8 Watt Solar panel, while light with a large number of light needs at least 10W, 15W, 20W Solar panels.


The shell material and production process outdoor projection light must be treated with proper waterproof and dustproof treatment and can withstand the wind, sun, and rain under any conditions all year round. light body material. The housing of the floodlight is usually made of plastic or aluminum. Most high-power floodlights are aluminum housings to maximize the protection of the light's internal components from any external impact that may damage the light body. However, there are also cheap projectors that are made of plastic. Of course, plastic does not always mean poor quality, because most manufacturers use very durable ABS plastic shell (except for some poor manufacturers), which can not only protect the light from impact and water intrusion but also withstand high and low temperature.

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