“Can these run off battery power? I’m hoping to use them in an airplane.”

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• No internal battery. I too was thinking they were on the go- so to speak. After purchasing I found out that you need a power supply at all times. Still a good purchase.

  Answered by Salty 7 years ago

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• I’m pretty sure they have to be plugged in unfortunately.

  Answered by MrsH 7 years ago

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