Most Led power supplies are constant current sources, which means that the output current of the power supply is constant, and the voltage changes within a certain range.The LED drive power supply is a power converter that converts the power supply into a specific voltage and current to drive the LED to emit light. Normally, the input of the LED drive power includes high-voltage power frequency AC (ie city power), low-voltage DC, high-voltage DC, low-voltage Frequency AC (such as the output of an electronic transformer), etc.
This emergency driver accords with GB17945-2010, it is suitable for all 5-20W (Max 22W) LED lamps with internal IC driver
(This driver CANNOT be used for the LED lights with RC driver). It can be used in public places to ensure LED lights work normally when power fail suddenly because of fire and earthquake and etc.. This LED Emergency Power Supply would not influence its environment and power around when it works.
LED emergency power supply can work with LED T8 T5 tube, down light, panel light.
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