“What is the purpose of the battery? If it doesn't work when It's not plugged in”

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• The battery powers the alarm system. The clock will not work but your alarm will still sound when time,.. thus preventing you from oversleeping should your power fail in the middle of the night

  Answered by Steezlebub 6 years ago

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• This model is equipped with a battery backup circuit that will maintain the time and alarm time settings in the event of a temporary power interruption (the display is NOT maintained). The battery backup circuit will also operate the buzzer alarm to wake you up at the selected wake up time even if the power is out.

  Answered by iHome 6 years ago

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