“A simple question. Can't make out what batteries it needs. And what is this plug for that comes with it? Doesn't plug into the device so what is it for?”

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• 2 triple A Batteries. The plug goes into your computer.

  Answered by Frank 6 years ago

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• The Etrex 20x uses AA batteries and does not in unit recharge. The supplied data cable is for connection to a computer for transfer of data or software updates

  Answered by GarminProductExpert 6 years ago

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