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Charging Cell Phone using PC Power Supply

Discussion in 'General Electronics' started by Fijbak Efferzin, Feb 14, 2004.

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  1. I've been charging my cell phone using a cigarette lighter socket wired into
    my computer's power supply, positive connected to the +12V line, negative
    connected to the chassis. It seems to be working perfectly.

    Is there any reason why I *shouldn't* do this? It's a 250W power supply
    running an Athon 950 processor. I only have one hard drive, two CD drives,
    and the cell phone connected, so the power consumption doesn't seem to be an
    issue. Is there a chance that hot-swapping devices could produce a damaging
    surge? If the phone is transmitting, is there a possibility of interference
    being generated by the phone, traveling through to the power supply and
    mucking things up?
     
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