When using the fire emergency light for the first time, you should read the instruction manual of the fire emergency light first, and then connect the AC power supply to charge the emergency light according to the regulations.
Fire emergency lights generally use lithium battery packs. Before leaving the factory, the batteries are in an empty state. Therefore, the fire emergency lights should be charged for about 18 hours before use.
If you want to replace the light source of the fire emergency light, pay special attention to whether the light source is replaced with a light source that is consistent with the original specifications and parameters, and do not use inferior light sources.
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