Batteries are more common in our lives, generally in the electric car lithium batteries and batteries more, for the battery may not be particularly well understood, what kind of difference does the battery have?

New energy, including solar energy, geothermal energy, wind energy, ocean energy, biomass energy, nuclear fusion energy, etc., is all kinds of energy other than traditional energy.

Electrical energy storage is electromagnetic energy storage, and electrical energy storage also becomes power System energy storage

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.