Hearing Aid Batteries | Types, Lifespan, and Maintenance

Hearing aid batteries are a crucial part of your hearing experience. Whether you use traditional disposable batteries or opt for rechargeable hearing aid batteries, knowing how to choose the right type, maximize battery life, and replace them correctly ensures you get the most out of your hearing aids. In this guide, we'll explore the different types of batteries, their lifespans, maintenance tips, and how to extend their efficiency.

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Part 1: Different Types of Hearing Aid Batteries

Understanding the different types of hearing aid batteries is essential in ensuring that your hearing aids function optimally. The right battery type will depend on your hearing aid model, your lifestyle, and how often you use your device. Let's break down the options available.

1. Zinc-Air Disposable Batteries

Zinc-air batteries are the most commonly used power source for hearing aids. They are activated by air, meaning they only start working once the protective tab is removed. Since they cannot be resealed, it's best to use them as soon as possible after activation. These batteries are available in different sizes, each suited to specific hearing aid models.

2. Rechargeable Hearing Aid Batteries

Rechargeable hearing aid batteries have gained popularity due to their eco-friendliness and long-term cost efficiency. These batteries are built into the hearing aid and can be charged overnight, eliminating the need for frequent battery replacements.

• Daily Performance: A single charge can power your hearing aids for up to 30 hours, depending on streaming and noise levels.
• Lifespan: Most rechargeable batteries last around 4-5 years before needing a replacement.
• Convenience: They eliminate the need to carry spare batteries and reduce waste.

If you're considering rechargeable Bluetooth hearing aids, they offer additional benefits like wireless connectivity and longer battery performance.

Part 2: How Long Do Hearing Aid Batteries Last?

Battery lifespan is one of the most frequently asked questions by hearing aid users. The duration of battery life varies based on the type of battery, hearing aid features, and user habits.

1. Disposable Battery Lifespan

A common concern is how long do hearing aid batteries last? Here's a general breakdown:

• Hearing aid batteries 312 (brown tab) – One of the most popular sizes, often used in behind-the-ear (BTE) and in-the-ear (ITE) models. If you're wondering how long do 312 hearing aid batteries last, they typically function for 3 to 10 days, depending on usage.
• Hearing aid batteries 675 (blue tab) – A powerful battery type, commonly found in larger BTE hearing aids. These batteries can last between 7 to 14 days, depending on the power demands of your hearing aid.
• Size 10 batteries (yellow tab) – Designed for smaller, discreet hearing aids, these offer convenience but require frequent replacements.
• Size 13 batteries (orange tab) – Used in larger BTE models, these batteries provide a longer lifespan compared to smaller sizes, lasting up to 14 days.

Here is the table for your better understanding:

Battery Size	Tab Color	Commonly Used In	Lifespan
312	Brown	BTE & ITE hearing aids	3 - 10 days
675	Blue	Larger BTE hearing aids	7 - 14 days
10	Yellow	Small, discreet hearing aids	Short lifespan, frequent replacements
13	Orange	Larger BTE hearing aids	Up to 14 days

2. How Long Do Rechargeable Hearing Aid Batteries Last?

Rechargeable batteries offer a hassle-free experience and extended usability.

• Charge Duration: A fully charged battery typically lasts between 16 to 30 hours.
• Replacement Cycle: How long do rechargeable hearing aid batteries last? Most last around 4-5 years before requiring a replacement.
• Replacement Process: Can rechargeable hearing aid batteries be replaced? Yes, but it's advisable to seek professional assistance for safe replacement.

Part 3: Factors Affecting Hearing Aids Battery Life

Several factors influence how long your hearing aid batteries will last. Being aware of these can help you optimize battery performance.

1. Usage and Volume Levels

The more you use your hearing aids and the higher the volume setting, the faster the battery will drain. Streaming audio or using advanced noise reduction features can also impact battery life.

2. Environmental Conditions

Extreme temperatures, humidity, and high altitudes can shorten battery lifespan. Cold weather slows down chemical reactions inside the battery, reducing efficiency. You'd better clean hearing aids from time to time for better environmental conditions.

3. Battery Brand and Quality

Using the best hearing aid batteries ensures better longevity and reliability. If you're looking for affordability, cheap hearing aid batteries from reputable brands can still offer decent performance.

Part 4: Tips to Extend Hearing Aid Battery Life

To get the most out of your hearing aid batteries, follow these simple yet effective tips:

1. Store Batteries Properly

Keep them in a cool, dry place and away from metal objects, which could cause a short circuit.

2. Remove the Tab Before Use

For zinc-air batteries, allow them to sit for one to two minutes after removing the tab before inserting them into your hearing aid. This allows them to fully activate and maximize performance.

3. Turn Off Hearing Aids When Not in Use

Powering off your hearing aids when not in use, or opening the battery door overnight, can extend battery life significantly.

Part 5: When Do I Need to Change Hearing Aids Batteries?

As someone who has worked with hearing aids for years, I've often been asked, "When do I need to change my hearing aid batteries?" It's a question that doesn't have a one-size-fits-all answer, as it depends on several factors, including the type of battery you use, how often you wear your hearing aids, and your daily activities. However, there are some general guidelines that can help you figure out when it's time to swap out those old batteries.

Let's start with the most common type of hearing aid battery – the zinc-air battery, which powers many traditional hearing aids. The size 312 hearing aid battery is one of the most commonly used, and they typically last between 3 to 7 days depending on how often you use your hearing aids. If you notice that your hearing aids are producing less sound or the sound seems faint, that's usually a sign that your batteries are running low and need to be replaced.

For those using rechargeable hearing aids, the situation is a little different. Rechargeable batteries, like the ones used in Cearvol's hearing aids, last a bit longer before needing a recharge. On average, rechargeable hearing aid batteries can last up to 24 hours with normal usage. However, if you notice that the battery life is shorter than usual, it could be time to replace the rechargeable battery, which can wear down over time.

Common Signs It's Time to Change Your Hearing Aids Batteries:

• Sound Quality Decreases – If your hearing aids start to sound weak or crackly, it's a sign the batteries are low.
• Frequent Battery Check – If you feel like you're constantly checking your hearing aid batteries, it's time to change them.
• Hearing Aids Power Down – If your hearing aids unexpectedly shut off, it could mean the battery is dead or nearly out of charge.
• Battery Drain – If your batteries seem to drain unusually fast, you might be using an older battery or your hearing aid is drawing more power than usual.

In any case, it's always a good idea to have spare batteries on hand. If you're looking for a reliable and affordable source, hearing aid batteries are widely available at retailers like Costco, or you can find them online.

Part 6: How to Change Hearing Aids Batteries?

Changing hearing aid batteries might seem like a small task, but it can make a big difference in ensuring you have optimal performance. Here's a simple guide to help you change your hearing aid batteries smoothly.

Step 1: Gather Your Supplies

Before you begin, make sure you have your new batteries ready. Depending on your hearing aid, you may need either size 312 or 675 batteries. Check your hearing aid manual if you're unsure which size you need. For those using rechargeable hearing aids like Cearvol's Diamond X1, you'll need a charging station for recharging.

Step 2: Open the Battery Compartment

Locate the battery compartment on your hearing aid and gently open it. Some hearing aids require you to pull a small lever or press a button to release the compartment. Be careful not to force anything open, as this can damage the device.

Step 3: Remove the Old Battery

Once the compartment is open, remove the old battery. Some batteries are easily lifted out by hand, while others may need a small tool to help.

Step 4: Insert the New Battery

Take your new hearing aid battery, being careful not to touch the metal contacts on the battery with your fingers, as this can reduce its effectiveness. Place the new battery inside the compartment, ensuring it fits snugly and the positive side is facing the correct direction.

Step 5: Close the Battery Compartment

Once the new battery is in place, close the battery compartment carefully. Make sure the compartment is securely shut to prevent any dust or moisture from getting inside.

Step 6: Test Your Hearing Aid

After replacing the battery, turn on your hearing aid and check that it's working properly. If the sound is clear and strong, you've successfully changed the battery.

For those with rechargeable hearing aids, simply place your device in the charging station, and within a few hours, your hearing aids will be ready for the day ahead. Keep in mind that rechargeable hearing aids typically last longer between charges, often up to 24 hours, depending on usage.

If you're looking for an easy-to-use and long-lasting hearing aid, consider exploring the Cearvol Diamond X1 Rechargeable Hearing Aids. These hearing aids are designed for comfort and convenience, so you don't have to worry about changing batteries every few days.

FAQs

Q1: Can I replace the rechargeable batteries in my hearing aid?
No, rechargeable hearing aids typically don't have removable batteries. However, if the rechargeable battery starts to degrade over time, the hearing aid itself may need to be replaced.

Q2: Where can I buy hearing aid batteries near me?
You can buy hearing aid batteries at major retailers like Costco or online at websites like Amazon. It's a good idea to have a few extra batteries on hand in case you need them.

Q3: How much do hearing aid batteries cost?
The price of hearing aid batteries can vary depending on the size and brand. Standard zinc-air batteries typically cost a few dollars for a pack, while rechargeable hearing aids may require a slightly higher upfront investment, but you'll save money on batteries in the long run.

Conclusion

Choosing the right hearing aid batteries is essential for a seamless hearing experience. Whether you prefer disposable or rechargeable hearing aid batteries, proper care can save you time and money. If you're considering upgrading, Cearvol rechargeable hearing aids offer an excellent rechargeable model. 

By following these tips, you can enjoy uninterrupted hearing and maximize battery performance!