LED (Light Emitting Diode), light-emitting diode, is a solid-state semiconductor device that can convert electrical energy into visible light, which can directly convert electricity into light.

A flashlight (English: flashlight or torch), referred to as a torch, is a handheld electronic lighting tool.

Analysts say countries that previously paid little attention to energy security are being forced to urgently find reliable energy supplies.

In the analysis of energy storage processes, the part of the object or spatial area that is delineated to determine the object of study is called the energy storage system.

The lighting in your home is used for illumination, decorative, and ambient purposes.

The solar light is composed of several parts: a solar cell module, some LED lamps, a control box (its control box contains the charger, controller, and battery), and a light pole.

The development of new energy and renewable clean energy is one of the five technical fields with the most decisive influence on world economic development in the 21st century.