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Charging Portable MP3 Player (Not IPod)

Discussion in 'Electronic Repair' started by [email protected], Feb 23, 2010.

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  1. Guest

    I want to buy a portable MP3 player (not IPod), but it requires a
    "high power" USB port on a computer to charge it. The alternative is to spend
    around $30.00 for a "wall wart" type of charger.

    I am a service technician, and I thought about using one of my regulated
    power supplies. You can set voltage and current. Also I have the USB
    connector (same type computer has), but I don't know what current
    I should set to charge the MP3 player. I realize that may depend on the MP3
    player, but I am looking for a nominal value as a reference.

    Do you have information on the typical charging current?

    Thank You in Advance, John

    PS, Remove "ine" from my email address
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