Button battery for hearing aids on the brown wooden table. The object is on the left. The batteries are stacked in a triangle.

Does it seem as if your hearing aid batteries drain way too quickly? Here are some surprising reasons that may happen.

How long should hearing aid batteries last? From 3 to 7 days is the typical period of time for charge to last.

That range is pretty wide. But it’s so wide that it’s unpredictable and could leave you in a bind.

You might be on day 4 at the supermarket store. Out of the blue, you can’t hear anything. The cashier is talking to you but you don’t hear what they are saying.

Or it’s day 5. You’re appreciating a night out with friends. Suddenly, you find yourself feeling really alone because you can no longer hear the conversation.

Now, you’re at your grandson’s school play. And the children’s singing goes quiet. Wait, it’s just day 2. Yes, occasionally they even drain before the 3rd day.

It’s not only inconvenient. You’re missing out on life because you’re not sure how much juice is left in your hearing aids.

If your hearing aid batteries drain too quickly, look to these seven possible culprits.

Moisture can drain a battery

Did you realize that humans are one of the few species that release moisture through their skin? You do it to cool down. You do it to get rid of excess sodium or toxins in the blood. Your battery could be exposed to even more moisture if you live in a humid or rainy setting.

This excess moisture can clog the air vent in your device, making hearing aids less efficient. It can even kill the battery directly by interacting with the chemicals that produce electricity.

Avoid battery drain caused by moisture using these steps:

  • Use a dehumidifier
  • If you’re storing your hearing aids for an extended time period, take out the batteries
  • Don’t store your hearing aids in the kitchen or bathroom
  • Open up the battery door before storing the hearing aids

State-of-the-art hearing aid features can drain batteries

Modern digital hearing aids help individuals hear so much better than ones that came out only 10 years ago. But when these advanced functions are in use, they can be a draw on battery power.

Don’t quit using your favorite features. But be aware that the battery will die faster if you spend all day streaming music from your phone to your hearing aids.

All these extra features, like Bluetooth, tinnitus relief, or multichannel, can drain the battery faster.

Altitude changes can affect batteries too

Your batteries can be drained quickly when you have a rapid climb in altitude, and if they’re already low this is particularly true. When flying, climbing, or skiing remember to bring some spares.

Maybe the batteries aren’t really drained

Some hearing aids let you know when the battery is getting low. Generally, these alerts are giving you a “heads up”. They aren’t telling you the battery is dead. Moreover, sometimes an environmental change in humidity or altitude briefly causes the charge to dip and the low battery alarm gets triggered.

You can stop the alarm by removing and resetting your hearing aid. There may be hours or even days of juice left.

Handling the batteries incorrectly

You should never pull off the little tab from the battery if you’re not ready to use it. Make sure you wash your hands before handling your hearing aids or batteries so you don’t get hand oil or dirt on them. Never freeze hearing aid batteries. This may increase the life of other batteries but it doesn’t work with hearing aid batteries.

Hearing aids will drain faster if you mishandle them in these ways.

Overstocking on batteries isn’t a good plan

It’s usually a practical financial decision to purchase in bulk. But as you get toward the end of the pack, the last several batteries likely won’t last as long. It can be a waste to purchase any more than a 6 month supply.

Buying hearing aid batteries from the internet

We’re not claiming it’s necessarily a bad idea to purchase things on the internet. You can get some great deals. But you will also find some less honest sellers who will sell batteries that are close to or even past their expiration date.

Most types of batteries, including hearing aid batteries, have expiration dates. You wouldn’t buy milk without checking the expiration. You shouldn’t do that with batteries either. In order to get the most from your battery, be certain the date is well into the future.

If the website doesn’t state an expiration date, message the seller, or purchase batteries at a pharmacy or hearing aid center where you can see it on the box. Only purchase batteries from reputable sources.

The batteries in hearing aids no longer drain quickly

Hearing aid batteries might drain faster for several reasons. But you can get more energy from each battery by taking small precautions. You may also consider rechargeable hearing aids if you’re shopping for a new set. You will get an entire day of power after each night of recharging. Every few years, you will have to change the rechargeable batteries.

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The site information is for educational and informational purposes only and does not constitute medical advice. To receive personalized advice or treatment, schedule an appointment.

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