A solar light, also referred to as a solar lamp or solar lighting system, is a non-powered illumination system consisting of a bright LED light, solar batteries, solar cells, an inverter and there can also be an additional charge controller. The system is controlled by a switch on the wall of the house. When the sun goes down, the lights go on. They use approximately 8 times less energy than a standard incandescent light bulb. The initial cost for purchasing a solar lamp is generally quite high but the payback from initial purchase and installation will be more money in the long run.
Solar street lights are available at most home improvement stores for around $500, with savings for the first year from purchase and installation quat nang luong mat troi. Some homeowners and businesses have saved thousands of dollars on electricity bills by using solar lights. These lights are not only available in residential and commercial areas but in residential landscaping areas, too.
Most of these solar panels on the lights have been designed to take advantage of available energy. Most electricity produces negative ions, which are good for the “green” energy inside the photovoltaic cells. So, by placing your lights near areas where there is abundant sunshine, they will absorb as much energy from the sun as possible without letting it get back into the electric grid. During the daytime, when sunlight is not shining, the electrical energy stored in the cells is turned into heat, which in turn powers the LED light inside the panel.
The other major advantage of these types of solar lights made possible by the existence of an array of solar cells is that you do not need wires to connect them to the house. The inverter takes care of the wiring. You simply place the light fixture with the inverter in the location where sunlight is available. In order to get the best effect, place the light fixture as close to the solar array as possible. The closer the solar panel to the solar panel, the more energy it will absorb.
There are times, however, when you do not have any sunny days to place your solar lights indoors. Then, you still have two other options: use daylight saving time period to charge the batteries or use solar power during the night. This can also help you save money and power-efficient LED lights. Remember to adjust the brightness level of your lights to make them use less energy at night. You should also look for rechargeable batteries and solar chargers to keep your lights charged and ready to light when needed. They are quite easy to find online.
When charging the batteries, make sure that you keep them out of direct sunlight. Otherwise, the batteries will be damaged. It will be even better if you use rechargeable Ni-Cd or nickel-cadmium batteries. They are rechargeable, have high capacity and can handle cloudy days far better than regular AA-batteries.