Three Ways To Make Your Hearing Aid Batteries Last Longer

Health & Medical Blog

You use a hearing aid -- maybe you have for years -- and you know how expensive replacing the batteries can be. Yet, you have to have good batteries in order for your hearing aid to be fully effective. 

While you can't dramatically extend the life of your hearing aid batteries, there are some tricks you can use to eke additional use out of the small, coin-like batteries that your hearing aid requires. 

1. Store Your Batteries Properly

Before you use your hearing aid batteries, you want to keep them in optimum conditions for functioning properly. 

  • Room temperature is fine. A long time ago, people put batteries in the refrigerator or freezer, thinking that the cold would help them last longer. Now we know it just introduces moisture and actually lessens their life.
  • Don't de-tab. Hearing aid batteries are known as zinc air batteries, and that little tab is there for a reason. Once it's removed, your battery "starts" -- so if the tab is gone and you're not using it, you're wasting it.
  • Keep them away from other metal objects. The metal in coins, keys and other items can actually react with the zinc in your hearing aid battery. That means it won't last very long; in a worst-case scenario, it can leak or even explode.

2. Handle Your Batteries With Care

Try to minimize the amount of touching that you do with your batteries. The oils on your fingertips can actually make it harder for the battery to contact the right points inside the hearing aid. Plus, you don't want to transfer grease and dirt from your hands to the inside of your hearing aid. Always wash your hands with soap before handling your hearing aid or its batteries.

When you do take a new battery out of the package, don't handle it excessively but don't immediately insert it, either. Give the battery about 5 minutes to be exposed to air, which will help the zinc air design power up properly.

3. Be Conscious of Your Hearing Aid Use

You should only use your hearing aid at the minimum level you need, because the more amplification you need, the harder your battery has to work. In a similar vein, quiet environments will put less wear on your hearing aid and its battery than a loud situation.

Of course, your hearing aid batteries will last longer if you don't have your hearing aid on when it's not in use. When you're not using it, open the battery door and store it in a clean and safe place. The open compartment door helps keep moisture from building up and putting extra strain on the battery. It will also make it less likely to corrode.

Only remove the battery completely if you won't be using your hearing aid for a long period of time. Remember that the zinc air models are still activated and working, even if they're not installed, so you may not get a full life from that specific battery.

Talk to your audiologist if you have questions about how your hearing aid should work and how to best care for and store your batteries.  


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When my daughter began having academic problems in school and acting out, I knew that something wasn’t right. Her teachers wanted me to put her on ADD medications, but I didn’t think that that was the right course for us. I had serious doubts that ADD was what was causing her problems. I took her to several different specialists before discovering that her issues in school were actually do to a visual processing problem. The doctor recommended vision therapy, not medication, to help correct the problem and get her back on track. The exercises are really starting to pay off, and she’s showing great improvement.