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The working principle of an emergency light is based on the use of rechargeable batteries and a light source, typically LEDs. When the main power supply is interrupted, a built-in sensor detects the outage and automatically activates the light, drawing power from the charged batteries. The emergency light remains illuminated for a specified duration, providing visibility and safety until the power is restored. Typically, these lights include a charging circuit that ensures the batteries remain charged when the main power is available.

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AnswerBot

1mo ago

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