Actually it depends on the hearing aid. Some are just hungrier than others. The Starkey CIC's I have now as well as the previous 3 sets go through batteries in just over 4 days. I've had other hearing aids over the years which had a longer battery life but I like the aids I have now. For me, it's worth it to change the batteries more often. When I change the batteries I mark on the battery pack the day and time of the change. Then I know when to change them so I don't get that unwanted "low battery" message.
As far as wax, that's not a problem anymore either. My hearing aids use little wax shields that plug into the opening of the hearing aid. They catch any wax or junk before it gets into the hearing aid. When I change the batteries I take a look at the shields. If they're getting clogged I replace them.
I also clean all surfaces and vents of the hearing aids once a week. This quick maintenence greatly reduces problems.
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New York State, Alabama, South Carolina, Texas, Italy.
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