“how long does it take to charge the battery?”

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• Five to six hours if it’s dead in my experience. If you hard wire it to your old doorbell wires there will be no need to charge the battery after the initial full charge, it’ll just be there if you lose power as a backup.

  Answered by RickF 5 years ago

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• I'm charging overnight

  Answered by yana 5 years ago

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