Can solar street lights adjust the brightness of the light?

Generally speaking, solar street lights adjust the power through the current intensity. Ordinary street lights have built-in voltage of 12v or 24v. The controllers in solar street lights are constant voltage, which means that the voltage supplied to the lamps is 12v or 24v. 24v, in order to save power, the current intensity can be adjusted. For example, the 12w solar street light, the passing voltage is 12v, then the passing current is 1A. In order to save the power of the lamp, let the lamp output 6w, just adjust the current to 0.5A. You can make the lamp output 6w, of course, the lamp at this time is definitely darker than when it is 12w. There are also some solar garden lights made of surface light sources (the price of this light source is high, the light decay is small and the bright spot is high, which is the development of the future garden light source). It has a built-in constant current source and cannot adjust the current, so there is no half-power output. , it cannot adjust the brightness, and can only output according to its rated power. Solar street lights do not need power transmission lines, do not consume grid electricity, and can be done once and for all after a one-time investment of construction costs roughly equivalent to conventional street lights. Using inexhaustible wind and solar energy to provide stable and reliable lighting has obvious economic benefits. 1. Energy saving: Provide electricity by solar photoelectric conversion, which is inexhaustible and inexhaustible; 2. Environmental protection: no pollution, no noise, no radiation; 3. Safety: no accidents such as electric shock, fire, etc.; 4. Convenience : Simple installation, no need to wire or dig the ground for construction, and there is no concern about power outages and power cuts; 5. Long service life: The product has high technology content, the control system and accessories are all international brands, intelligent design, and reliable quality; 6 .High grade: high-tech products, green energy, the user unit attaches importance to science and technology, green image improvement, and grade improvement; 7. Less investment: one-time investment is equivalent to AC power (AC power investment is from substation, power supply, control box, cable, engineering 8. Wide application: The solar energy source of solar street light comes from nature, so it can be used in any place with sunshine, especially suitable for green space landscape lighting equipment, high-end residential and outdoor lighting, tourist attractions coast Landscape lighting and embellishment, industrial development zones, industrial and mining enterprise street lights, outdoor lighting in universities and colleges.