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Car Adapter Voltages

Discussion in 'Electrical Engineering' started by Tama Harbor, Nov 16, 2003.

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  1. Tama Harbor

    Tama Harbor Guest

    I have a portable MP3 player with a 5.0 volt DC input battery charger.

    I have a car DC adapter, with 4.5 and 6.0 volt DC outputs (no 5.0

    Can I 'successfully' use the 4.5 or 6.0 volt car adapter to power the
    5.0 volt device?

    Thank you in advance.
  2. Paul

    Paul Guest

    I wouldn't as you may fry the MP3 player! Also, it is important to note
    that the polarity of the adaptor plug can also be the opposite to that of
    the MP3 player.
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