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March 03, 2023 4 min read

As a hearing aid wearer, you know the importance of your hearing aid batteries. But you might be looking for the best place to find batteries for your hearing aids. Hearing aid batteries tend to die at the worst possible time, so it is important to stay prepared and always have extra hearing aid batteries on your person (or your keychain!) Soundwave offers hearing aid batteries and hearing aid battery accessories you need to keep your hearing aids charged and ready to go at all times on our affiliate site. We will also tell you everything you need to know about 312 hearing aid batteries and where to get 312 batteries. 

What are Hearing Aid Batteries?

soundwave battery

Hearing aid batteries are one of the most important components of your hearing aids. To run effectively and help you hear, hearing aids need a steady power source from a quality hearing aid battery. A low battery or, worse, a defective battery, can significantly impair the performance of your hearing aids.

Where to Find Batteries for Hearing Aids

It is important to buy your hearing aid batteries from a trusted source. If you received open or broken hearing aid battery packages, return them immediately because the batteries inside are most likely compromised. 

Different Types of Hearing Aid Batteries

Just as there are different types of hearing aids, there are also different types of batteries for hearing aids

Where to Find 312 Batteries for Hearing Aids

Your new Sontro® OTC Hearing Aids are powered by 312 batteries. Soundwave Hearing  offers Rayovac Size 312 Extra Advanced Mercury Free Hearing Aid Batteries in an 80-pack. Rayovac is a brand that provides fresh, powerful, mercury-free, zinc-air hearing aid batteries. They are also made here in the USA. 

How Often Do I Need to Change My 312 Hearing Aid Batteries?

The average battery lifespan of 312 hearing aid batteries is anywhere between three and ten days, depending on how frequently you wear your hearing aids.  Depending on how often you wear your hearing aids, you might need to change your batteries once a week or twice a month. 

Signs It Might Be Time to Change Your Hearing Aid Batteries

There are a few signs that it might be time to change your hearing aid batteries: 

Sound Is Quiet or Distorted 

If the sound coming through your hearing aids is distorted, or you have to turn up the volume on your hearing aid louder than normal, your batteries might need to be changed. 

Low-Battery Beep or Voice Sound

A beep or a voice sound might come on and indicate that your battery is getting low and needs to be changed. Remember that you should take out dead hearing aid batteries right away, so they don’t swell and become more difficult to remove later! 

hearing aid battery

Tips for Helping Your Hearing Aid Batteries Last

Here are a few tips for storing and maintaining your hearing aid batteries so you can prolong the life of your hearing aid batteries. (And you won’t have to worry about where to find batteries for hearing aids as often!)

Keep an Extra Set on You

It is always a good idea to carry an extra set of hearing aid batteries in case your existing batteries suddenly lose power. Consider keeping an extra package of batteries in your car, purse, briefcase, or your office or desk at work or school. Or,  purchase a battery keychain case! This case allows you to carry a spare set of batteries for you wherever you go. 

Keep Batteries Away From Metal Objects 

It is important to keep your stored backup batteries away from coins, keys, and other metal objects. Metal objects might accidentally discharge the batteries before you can use them! 

Store Batteries at Room Temperature 

Always store your hearing batteries at normal room temperature. You might have seen your parents or grandparents store their hearing aid batteries in the refrigerator and wondered, “Should I refrigerate my hearing aid batteries?” But that is not a very good idea. While in the past, it did help to refrigerate your batteries to get longer life, with today’s zinc-air batteries it actually harms the hearing aid battery.

Wash Your Hands Before Changing Batteries

Always wash your hands before changing your hearing aid batteries. Any grease or dirt on your hands could damage the hearing aid. 

Keep Batteries Away From Children and Pets

For safety reasons, store your button hearing aid batteries far away from children and pets

How to Minimize Hearing Aid Battery Drain 

Once you remove the protective seal from a battery, it drains power. However, there are still a few ways to maximize the lifespan of your hearing aid batteries when they are inside your hearing aids. Here are a few tips: 

Turn Hearing Aids Off When Not in Use 

If you are not wearing your hearing aid, turn  it off by opening the battery door. And always open the battery door at night in order to allow moisture to escape and help keep the battery from corroding.

Take Batteries Out of Hearing Aids Completely 

If, for some reason, you won’t be using the hearing aid for an extended period, take the battery out completely. You can store the batteries in the protective case for your hearing aids.

Avoid Storing Your Hearing Aids in Extreme Temperatures

Like storing your extra batteries in extremely hot or cold temperatures, avoid leaving your hearing aids in extreme temperatures because this could quickly drain your battery power and shorten its lifespan. 

hearing battery

Get Your Batteries for Hearing Aids at Soundwave Hearing 

Soundwave Hearing doesn’t just provide the best over-the-counter hearing aids available online. We directly offer sport locks as well as provide access to accessories from affiliate stores you may need for your hearing aids, including batteries, cleaning tools, dryers & fresheners, and more. We believe that hearing aids should  be simple, affordable, and convenient. Come to Soundwave Hearing for all of your hearing aid battery needs!