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

Do your hearing aid batteries seem to die faster than they ought to? Here are some surprising reasons that may happen.

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

That’s a really wide range. But it’s so wide that it’s unpredictable and might leave you in a bind.

You may be at market on day 4. All of a sudden, you can’t hear anything. You don’t hear the cashier.

Or, you’re out for dinner with friends on day 5. Suddenly, you find yourself feeling very alone because you can no longer follow the conversation.

Maybe you go to your grandchild’s school to watch a play. And the kid’s singing disappears. But it’s only day 2. Yes, they even occasionally drain after a couple of days.

It’s more than inconvenient. You have no idea how much juice is left and it’s causing you to miss out on life.

Here are 7 possible causes if your hearing aid batteries drain quickly.

Your Battery can be killed by moisture

Releasing moisture through our skin is one thing that human beings do that the majority of other species don’t. It’s a cooling system. It also cleans the blood of excess toxins and sodium. On top of this, you may live in a rainy humid environment where things get even wetter.

The air vent in your device can get plugged by this extra moisture which can result in less efficient functionality. It can even interact with the chemicals that produce electricity causing it to drain even faster.

Avoid battery drain related to moisture using these steps:

  • Take the batteries out if you’re storing them for several days
  • Don’t keep your hearing aids in the bathroom or kitchen
  • A dehumidifier can be helpful
  • Open up the battery door before storing the hearing aids

Advanced hearing aid features can run down batteries

Modern digital hearing aids help individuals hear so much better than ones that came out only a decade ago. But these extra features can cause batteries to drain more quickly if you’re not watching.

That doesn’t mean you shouldn’t use these amazing features. But be aware that the battery will die faster if you spend all day streaming music from your cellphone to your hearing aids.

Noise-canceling, Bluetooth, multichannel, tinnitus relief — all of these added functions can drain your battery.

Altitude changes can impact 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.

Perhaps the batteries aren’t really drained

Some hearing aids tell you when the battery is getting low. These warnings, as a general rule, aren’t telling you that your batteries are dead, they’re just a heads up. On top of this, sometimes an environmental change in humidity or altitude briefly causes the charge to drop and the low battery alarm will sound.

Take out the hearing aids and reset them to stop the alarm. You might be able to get several more hours or even days out of that battery.

Handling the batteries incorrectly

You should never pull off the little tab from the battery before you’re ready to use it. Hand oil or dirt can be a problem for batteries so wash up before you handle them. Don’t ever freeze hearing aid batteries. This might increase the life of other batteries but it doesn’t work with hearing aid batteries.

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

Purchasing a year’s supply of batteries isn’t a great idea

It’s usually a wise financial choice to buy in bulk. But you can expect that the last several batteries in the pack will drain faster. It can be a waste to buy any more than 6 months worth.

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 really good deals. But you will also find some less honest vendors who will sell batteries that are close to or even past their expiration date.

Both alkaline (AA, AAA, etc.) and zinc hearing aid batteries have expiration dates. When you purchase milk, you wouldn’t forget to check the expiration date. You shouldn’t forget to check the date on batteries either. In order to get the most from your battery, make sure the date is well into the future.

If the website doesn’t declare an expiration date, send the online vendor a message, or purchase batteries at a pharmacy or hearing aid center where you can see it on the box. Only purchase batteries from reliable sources.

The batteries in hearing aids no longer drain quickly

There are numerous reasons that hearing aid batteries might drain quickly. But by taking small precautions you can get more energy from each battery. And if you’re thinking of an upgrade, consider rechargeable hearing aids. You will get a full day of power after each night of recharging. The rechargeable batteries only need to be swapped out every few years.

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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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