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​It is very important to charge the electric appliance with rechargeable battery for the first time before use. It should not only be fully charged, but also be fully charged. This is necessary for

Power loss state means that the battery is not charged in time after use. The longer the power loss state is idle, the more serious the battery damage is.

​Rechargeable flashlight is a new lighting tool with LED as light source. It has the advantages of power saving, durability, strong brightness and so on.

​The structure of LED panel lamp mainly includes frame, diffuser, light guide plate, lamp bead, driving power supply, aluminum substrate and other components.

​With the continuous development of the LED flat panel lamp industry, the competition among LED flat panel lamp manufacturers is also shifting to a deeper level.

Environmental friendly lamps and lanterns: traditional fluorescent lamps contain a large amount of mercury vapor, which will volatilize into the atmosphere if broken.

LED lamp has the characteristics of energy saving and environmental protection, but it is easy to generate a large amount of heat in the actual operation process.

​Six main reasons and ultimate solutions for the slight brightness of LED lamps after they are turned off at night.