Solar lamps are energy-saving lamps powered by solar energy and equipped with professional solar panels. They are mainly used in outdoor, such as streets, courtyards, fields, etc. Not only can it travel everywhere, but it can also light up the dark night for us. Solar energy is clean and renewable energy, without any pollution. Solar lamps absorb and store energy from the sun during the day and convert it into electrical energy for lighting at night. This energy is generated by the solar charger controller, which is connected to the rechargeable battery, and the battery then drives the LED lamp. Solar lamps are not only environmentally friendly and energy-saving but also provide lighting for all occasions such as home lighting in remote areas or emergency use. In addition, solar lamps also have advantages such as no wiring, no electricity and no energy costs. It is convenient to install and maintain, and a single lamp can last up to five years in theory. Moreover, solar lamps are also waterproof, dustproof and corrosion-resistant, and can be used in any season and environment. In conclusion, solar lamps are a great way to reduce electricity bills and carbon emissions, while protecting the environment and providing much-needed lighting, especially in remote areas. The price of solar lamps is gradually falling, which will greatly promote the development of this type of energy-saving lamps.