“How long will this last with my AT&T modem and cordless phone connected to it only?”

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• This offers 7 minutes operation at 50 % load.

  Answered by CommunityAnswer 8 years ago

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• About 20 minutes.

  Answered by Eric 7 years ago

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• As modems and phones draw little power I would estimate several hours to half-a-day.

  Answered by SWUJoe 8 years ago

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• 15 to 20 minutes.

  Answered by Cweldon 8 years ago

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• I am going to estimate, since the draw of the modem can vary significantly by the model that you can get a couple hours during total power loss.

  Answered by BALLSINABUNCH 8 years ago

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