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Thread: Batteries and dehumidification

  1. #1

    Default Batteries and dehumidification

    Do you remove your HA's batteries before putting the HAs in a dehumidifier overnight? I'm referring to the type with the desiccant such as Dry Caddy by Dry and Store, not the type with the UV light or fan. Just wondering how the drying action will affect battery life if left in the HA. Thanks.
    250
    500 1000 2000 3000 4000 6000 8000
    Right 25 20 15 10 15 20 30 40
    Left 15 10 15 10 20 30 30 15

    Tinnitus Ring Frequency: Approx. 8551hz

  2. #2

    Default

    I use a dessicant drier and I don't take the batteries out. I do open the battery door all the way. It might depend on how your battery door is designed -- I've heard some people say when the door is open the battery is still touching the contacts. When my doors are open the battery is only touching plastic. I've tried removing them, but it made no difference in the life of the batteries. Either way, they last 8 to 9 days.
    Freq: Right Left
    250 40 60
    500 50 65
    1000 50 60
    2000 45 45
    4000 65 70
    8000 9070

    Right: SRT=50 dB, WRS 92% at 70 dB
    Left: SRT=60 dB, WRS 80% at 80 dB

    Had stapedotomy on left ear in May, 2015. Prior to that had a severe/profound loss across all frequencies in my left ear.

    Widex220

  3. #3

    Default

    Thanks daisymae, I also found this on the Dry & Store website:

    Yes, you can leave the batteries in the hearing aids during conditioning, with the battery door open. Independent testing by Energizer revealed that in high humidity conditions, Dry & Store appliances can increase zinc air battery life by 10-20%. Another reason for batteries lasting longer is simply that it takes less energy to power a hearing aid that is completely dry.
    The good news is that you don't need to fumble around removing those tiny batteries or risk losing them. What you want to do is open the battery compartment door so that batteries & contacts are exposed, and also to facilitate the warm dry air circulating throughout your aids. Though rechargeable batteries don't benefit from the drying process (because they're a closed system) it won't harm them either because D&S uses very gentle heat. (98-104 degrees F)

  4. #4

    Default

    Dave, thank you for finding that information! Now we know.
    Freq: Right Left
    250 40 60
    500 50 65
    1000 50 60
    2000 45 45
    4000 65 70
    8000 9070

    Right: SRT=50 dB, WRS 92% at 70 dB
    Left: SRT=60 dB, WRS 80% at 80 dB

    Had stapedotomy on left ear in May, 2015. Prior to that had a severe/profound loss across all frequencies in my left ear.

    Widex220

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