Solar lawn light is the most utilized for projects among solar pv industry in China, it is the unique solar application product which is controlled by adopting special IC (integrated circuit) in the world, its electric power is completely provided by semiconductor material, moreover, its lighting source is also semiconductor, it is semiconductor lighting product….
Solar lawn light is a renewable energy lamp, it is safety, energy-saving, friendly environmental and easy to install. Solar lawn light mainly consists of lighting source, controller, battery, solar panel and lamp body. It would store power into battery under solar radiation via solar cells, the battery would discharge to LED lamp via controller when…
According to data statistics, the empty nest old population had increased from 42% to 54% in China’s town , and from 37.9% to 45.6% in China’s village between 2000 and 2010, the old population had over 0.1 billion in 2013, in China. With the first generation only child being gradual old, the empty nest old…
Electrical fire mainly is as electrical circuit, electrical equipment, appliance and power unit having malfunction to release thermal energy (such as heat, electric arc, electric spark) and no malfunction to release power (such as fervidity surface of electric appliance, it could be ignited by other inflammable goods or under its ignition point condition to cause…
Solar street light is charged by solar in daytime and bright in night, there are lithium battery built-in, different configuration can meet different requirement. Let us take some examples to introduce the configuration for solar street light. Calculate Current For example: A solar street system, 2pcs 30W LED lamps, 12V lithium battery. Current=60W/12V=5A Calculate Battery…
Solar street light system consists of solar panel, storage battery, solar controller, main light source, battery box, main lamp body, lamp-post and electric cables. Solar street light is not limited by district, not influenced by installation location, also don’t have to excavate road surface to pave cables, it is very convenient to construct and install,…
As we know, solar cells and solar panels are the core components in solar power system. In order to learn more solar panel, it is necessary to introduce how to produce solar cells and solar panel. 1. The working principle of solar cells. The solar irradiance radiates on the p-n junction of semiconductor to…
There are many questions that investor would like to know before investing to install a home solar power system. For example, (1), What condition is required for rooftop when installing a home solar power system ? (2), Is it safe for rooftop distributed home solar power system ? (3), How much money is required to…
Human confronts great challenge for economic increasing and energy sustainable developing after entering the 21th century, it has been global hot topic that how to develop economy under the limitation of energy and environmental protection. The energy problem is more serious, it is not only reflected by lacking of normal energy, the more sharp problem…
Backpacker is named for those who gather to travel by themselves with their own individual affordability. Usually, Backpacker take tent, kitchen ware and other instruments for their outside survival. Power is very important for them to provide lighting source, SOS signal, power supply for laptop, etc. In past, they just can take some power banks…