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In this light surrounding society, more and more lamps appear around us, not only decorate the landscape also allows us feel the joy of life in color. Solar LED lawn light main advantages are safety, energy saving, convenient, and environmental protection. It is suitable for residential community beautification lighting dotted green grass, park landscaping lawn ornament and so on. Here I will explain the detail on how to properly choose solar LED lawn light components: 1. Light source Solar LED lawn light components due to power limitations, power source must be small. Currently, part of the solar lawn light use energy-saving lamp as the light source, the experiment proved, LED lawn light is more saving than normal fluorescent. Moreover, the life of LED light is much longer than ordinary fluorescent. LED lights are called green lighting, which does not contain toxic and hazardous substances (such as: mercury), avoid the mercury overflow, causing secondary pollution when fluorescent tubes rupture, while LED light uses constant DC current drive, which will not produce any flicker, and no interference radiation on the human body. Therefore, LED ideally suited for solar lawn systems. 2. Batteries choice In recent years, solar lawn light on the market commonly uses lead-acid batteries or nickel metal hydride batteries and LED lights composition. During use, lead-acid batteries need to add acid rehydration, maintenance workload is large, while the sulfuric acid electrolyte overflow may damage the lamp body or other public facilities and cause great environmental pollution. Besides, lead-acid batteries and nickel-metal hydride batteries is small in size, the common 4Ah battery, the volume and weight are great, the system set-up and installation of electrical components unit occupies a lot of space, is not conducive to flexible light body structure design. Lithium ion batteries are the very successful new high-energy batteries since the 20th century, it has a high energy density. Lithium ion battery cycle life is very long, under normal conditions, its charge-discharge cycle can be more than 500 times. In fine weather, the solar cell modules will be continuously charging the battery, and at night only consume about 25% of battery capacity, this time the battery will be in a state of continuous float which can greatly extend battery life. Lithium-ion batteries do not contain the environmentally hazardous metals such as cadmium, lead, mercury, non-chemical properties of lithium metal, can guarantee security, in line with solar products green, environmentally friendly design concept.



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