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Cell phone battery charging

Discussion in 'Misc Electronics' started by Srfr, Sep 12, 2003.

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  1. Srfr

    Srfr Guest

    I have the car charger and indoor charging cradle to old cell phone (now
    defunct) and I'd like to use both with my new cell phone. I can modify the
    connectors easily on the cradle, and same with the car charger I believe
    (connect to the plates on the bottom of the phone rather than go in through
    the plug.) But I don't want to risk damage to the new phone battery. (Old
    and new batteries are LiIon.) Can someone point me to a web page or
    reference that shows the calculations needed to make sure no damage comes
    to the new phone battery?

    Or possibly its time to make or buy a universal charger? Info on that?
  2. Ian Stirling

    Ian Stirling Guest

    You need to ensure the voltage and current supplied are the same.
    Unfortunately, cellphones and exaclty what tehy need vary tremendously,
    it may well not be safe.
    Look for a cheap adaptor on ebay.
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