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Panasonic KX-TG8421 battery issue

Discussion in 'Power Electronics' started by Karkavitsas, Feb 8, 2015.

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  1. Karkavitsas


    Feb 8, 2015

    I have the aforementioned cordless phone and the following problem.
    After I charge its batteries then it is working for about 6-7 hours and then all of a sudden
    it shuts down. When I turn it on it shows that the batteries are discharged and it shuts down again.
    I have tried new batteries but the same problem appears. What could be the problem?
  2. davenn

    davenn Moderator

    Sep 5, 2009
    hi there
    welcome to EP :)

    1) maybe the charger isn't working properly and not fully charging the batteries?
    2) maybe there is some other fault in the phone that is draining the batteries quickly?

    just a couple of thoughts :)

  3. Karkavitsas


    Feb 8, 2015
    Thanks for the answer Dave. I have also charged the batteries using an external charger but still the same problem.
    What could drain the batteries so quickly that is my guess too.
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