Man touching hearing aids that stopped working because the batteries drained.

Do you feel as if your hearing aid batteries are not keeping a charge as long as they should? The reasons for this are sometimes unexpected.How long should hearing aid batteries last? Between 3 to 7 days is typical. That range is pretty wide. Actually, it’s so wide that it probably doesn’t help you predict what should be going on with your hearing aid. Things could suddenly get quiet when you’re trying to hear the cashier at the grocery store after 4 days of battery power. Or maybe on day 5, you’re having an enjoyable conversation with friends when you suddenly feel very alone because you can’t hear what anyone is saying. Now, you’re watching TV. You can no longer hear the news. Hold on, it’s only day 2. Yes, sometimes they even die before that 3-day mark. It’s more than a little inconvenient. You just can’t tell how much battery power you have left in your hearing aids and it’s causing you to miss out on life. Here are the likely culprits if your hearing aid batteries drain quickly.

Moisture Can Drain a Battery

Did you know that humans are one of the few species that produce moisture through their skin? It’s a cooling mechanism. It’s the body’s way of ridding the blood of sodium and toxins. On top of this, you might live in a humid or rainy climate where things are even wetter. The air vent in your hearing aid can get clogged by this additional moisture and it will be less efficient. It can even deplete the battery directly by interacting with the chemicals that generate electricity. You can prevent moisture-related battery drainage with these steps:

  • Obtain a dehumidifier for your hearing aids
  • Moist conditions, like the kitchen or bathroom aren’t a good place to keep your hearing aids
  • if your storing them for several days or more, take the batteries out
  • Open the battery door before storing the hearing aids

Advanced Hearing Aid Features Can Run Down Batteries

You get a much better hearing aid today than you did even 10 years ago. But these extra features can cause batteries to drain faster if you’re not paying attention. Don’t stop using your favorite features. But bear in mind, you will need to replace the battery sooner if you are streaming music from your phone all day. Bluetooth, multichannel, tinnitus relief, noise canceling — all of these additional functions can drain your battery.

Batteries Can be Affected by Altitude Changes

Moving from a low to high altitude can drain your batteries, specifically if they’re on their older. Bring some spare batteries if you are going on a plane or high up into the mountains.

Maybe The Batteries Aren’t Really Low

Some hearing aids tell you when the battery is low. These alerts are, under normal circumstances, a “heads up”. It doesn’t mean you have a depleted battery. Additionally, the charge can occasionally drop temporarily due to environmental or altitude changes and that can activate a false low battery warning. Remove the hearing aids and reset them to end the alarm. You may be able to get a few more hours or possibly even days of battery life.

Handling Batteries Improperly

You should never take out the little tab from the battery before you’re ready to use it. Make sure you wash your hands before touching your hearing aids or batteries to protect against getting hand oil or dirt on them. Don’t ever freeze hearing aid batteries. This technique may increase the life of some types of battery but it doesn’t work with hearing aid batteries. Hearing aid batteries may lose battery power quicker if you make these simple handling mistakes.

Buying a Year’s Supply of Batteries Isn’t a Very Good Plan

When you can afford to do it, buying in bulk can be a smart plan. But as you get toward the end of the pack, the last few batteries likely won’t be at full power. Unless you’re fine with wasting a few, try to stick to a six month supply.

Purchasing Hearing Aid Batteries on The Web

It’s not a general critique of purchasing stuff on the web. There are some pretty great deals out in cyberspace. But some less honest people sell batteries online that are very close to the expiration date. Or even worse, they are already passed. So you need to be careful.
There’s an expiration date on both alkaline and zinc batteries. If you were going to buy milk, you would look at the expiration date. You should do that with batteries too. If you’re going to get the most from your pack, be sure the date is well in the future. If the website doesn’t specify an expiration date, message the vendor, or buy batteries from us. Make sure you know and trust the seller.

Now You Can Get Rechargeable Hearing Aids

There are several reasons that hearing batteries might drain quickly. But you can get more life from your batteries by taking some precautions. If you’re looking to buy a new pair of hearing aids, you might decide on a rechargeable model. If you charge them at night, you get a full day of power the next day. And you only need to change them 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.

Main Line Audiology Consultants, PC