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rechargeable batteries not recharging

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  • 24-04-2019 10:40am
    #1
    bobbyss
    Registered Users Posts: 5,197 ✭✭✭


    Got LED torch. Putting the batteries into the recharger but all I'm getting is two red constant lights. They are like this overnight. No charge. Not working in the torch. Anyone can advise what's wrong or what I can do.


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    #2
    Grayson
    Registered Users Posts: 16,145 ✭✭✭✭Grayson


    Turn them round the right way?


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    #3
    bobbyss
    Registered Users Posts: 5,197 ✭✭✭bobbyss


    Grayson wrote:
    Turn them round the right way?


    Yes. That's done. Very frustrating.


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    #4
    BoroMan32
    Registered Users Posts: 616 ✭✭✭BoroMan32


    Sounds like they're not very rechargeable to me.


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    #5
    mikhail
    Registered Users Posts: 3,863 ✭✭✭mikhail


    I remember using a charger once that had a charge and a test mode. Check for a toggle switch somewhere.


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    #6
    bobbyss
    Registered Users Posts: 5,197 ✭✭✭bobbyss


    mikhail wrote:
    I remember using a charger once that had a charge and a test mode. Check for a toggle switch somewhere.


    Will do. The two red lights mean that they are recharging, is that right?


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    #7
    Force Carrier
    Closed Accounts Posts: 594 ✭✭✭Force Carrier


    bobbyss wrote: »
    They are like this overnight. No charge.

    Are you positive?


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    #8
    Kimbot
    Moderators, Computer Games Moderators, Social & Fun Moderators Posts: 18,452 Mod ✭✭✭✭Kimbot


    MOD Moved to Electronics section, please take note of the charter for this section.


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    #9
    Capt'n Midnight
    Moderators, Recreation & Hobbies Moderators, Science, Health & Environment Moderators, Technology & Internet Moderators Posts: 90,838 Mod ✭✭✭✭Capt'n Midnight


    What type of batteries ?

    Lithium die if totally discharged. Which is guaranteed unless either the batteries or torch has special circuitry to prevent this. Cheap ones don't

    NiCAD last forever unless one of the cells is drained and you keep using the torch , the current from the other cells will kill it.

    Not sure if the same happens with NiMH


    Some smart chargers won't start charging if the battery is totally dead, so you have to use a dumb charger for few minutes first. Go Figure.


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