Question about Uniden Cordless Phone

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New battery is not charging

Recently replaced our GE cordless phone battery with a new Radio Shack one. two new batteries later, it still has not recharged! no problems with phone before we replaced the battery

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  • mjclem Jul 17, 2008

    the package says 3.6v and two different employees say it is the correct
    one. unfortunately, I don't have the original as they recycled it.

  • mjclem Jul 18, 2008

    the lights are on on the charger, it looks like it is charging.

    am not sure what you are talking about, but you have given me an idea....

    we have another cordless, with similar battery, will switch and see if that 'charged' battery can get the charger going....


  • mjclem Jul 18, 2008


    It worked! Although I didn't exactly understand what you were saying, I
    took the working battery from our other cordless to see if it would
    'jumpstart' the other phone. It worked...turned out that although they
    had looked up the battery in RadioShack's book, it had given them the
    wrong number. Took the one back today and exchanged for the one I knew
    worked and now have 2 working phones!!!!

    Thanks a bunch.




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Size and shape of rechargeable battery packs are not an indicator of the voltage, it is possible that the identical looking battery has two cells in each tube so is 7.2v instead of 3.6v
do the specs match
not a solution yet, just a query

Posted on Jul 17, 2008

  • AlmostBob
    AlmostBob Jul 18, 2008

    the connectors are standard, not reversible +-, cant be that

    are the lights on on the charger,

    there might be a voltage sensor, if the battery were delivered DEAD flat, there may not be enough residual valtage to trigger the charger starting, supposedly a safety feature so you can touch the charger pins, not really important for a 3.6v system, but the same controlller chip is in 36V 300A forklift chargers

    a battery to the pins in parallel with the phone, when the phone is inserted in the cradle, to trick the voltage sensor might be enough to start it

    still not a solution

    grasping at straws,

    batteries are usually delivered part charged

  • AlmostBob
    AlmostBob Jul 18, 2008

    woo, not gonna throw away any straws now,


    dos V'danye



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