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Thread: Batteries when not in use

  1. #1
    Join Date
    Oct 2012
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    Default Batteries when not in use

    I have two sets of hearing aids. One set is best for everyday use but the other set has Bluetooth connection with TV and are wonderful fur music. These two sets have different size batteries.

    So my question is on the Bluetooth ones I just use once in a while. Can I remove the batteries and put the little tab back on to preserve the battery life? I have always believed if they are just sitting in aids they will lose life shortly, same as being used.

    So could some of the technical battery experts here enlighten me?
    Bob

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  2. #2
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    Bob,
    I do this all the time but I use Scotch Tape to cover the holes and the batteries have been good weeks later. HA batteries need air to work and if you take away the air they stop working.
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  3. #3

    Default Batteries

    I just put the tabs back on. Seems to work fine. Scotch tape would also work. However, I wonder if the adhesive on the Scotch tape would tend to plug up the small air vents on the batteries? Vic
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  4. #4
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    Default

    I've never had a problem with the Scotch Tape plugging the holes. I take a piece of tape long enough to hold two batteries and place the two batteries on the tape and make sure they are seated well on the tape and the batteries are good until the next time I need them.
    Oticon Agil Pro w/streamer

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  5. #5
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    Fantastic post Seb, I will try it Thanks
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  6. #6

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    I don't understand the need to "tape" the batteries. If the contacts are not against any conductive material there should be no loss of charge.

    What am I missing?
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  7. #7
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    sho,
    Once you pull the tabs on the batteries the "clock is ticking," the batteries will discharge whether they are in the HA or not because once exposed to air they start working and once you open the battery doors the HA stops working but the batteries don't. By taping the holes you stop the process and effectively get more life out of the batteries.
    Oticon Agil Pro w/streamer

    -250 500 1000 1500 2000 3000 4000 6000 8000
    L 10--5----10----30---50----70----85---80---80
    R 5--10----20----35---45----85----85--100--100

    SP Disc ------------- SRT
    L 88% @55db ------- L-10
    R 90% @55db------- R-25

  8. Default

    Quote Originally Posted by seb View Post
    sho,
    Once you pull the tabs on the batteries the "clock is ticking," the batteries will discharge whether they are in the HA or not because once exposed to air they start working and once you open the battery doors the HA stops working but the batteries don't. By taping the holes you stop the process and effectively get more life out of the batteries.

    Does that mean if when we take them out each night, if we tape them over they will last 8 hours/day longer? Hmmm....
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  9. #9
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    I get 3-4 extra days out of #13's when I tape them. If I don't tape the batteries I get 14 days and if I tape them I get about 17 to 18 days.
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    L 10--5----10----30---50----70----85---80---80
    R 5--10----20----35---45----85----85--100--100

    SP Disc ------------- SRT
    L 88% @55db ------- L-10
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  10. #10
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    Quote Originally Posted by sho View Post
    I don't understand the need to "tape" the batteries. If the contacts are not against any conductive material there should be no loss of charge.

    What am I missing?
    Zinc-air batteries are actually zinc fuel cells. Once they get oxygen they consume the zinc until it is gone. Cutting off their oxygen supply should slow or stop the consumption of zinc. They don't hold a charge like conventional batteries.

    https://en.wikipedia.org/wiki/Zinc%E2%80%93air_battery


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