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Hearing aid battery holder type 312
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will hold up to two 312 hearing aid batteries safely
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Model information
- Source
- Printables
- Category
- Home Medical Tools
- License
- Creative Commons — Attribution — Share Alike
I got tired of my hearing aid batteries falling lose in my pocket. I didn’t want them causing a short circuit in mu pocket when they did. So, I built this. I figured I wasn't the only one, so it is here to share.
Interesting note. when I added threads, I tried matching 24mm threads on both the lid and the base, this worked but it was very difficult to screw on and off. I change the cap to be a 25 mm thread and it works great.