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What kind of battery do I need for my hearing aid?
Hearing aid batteries are offered in a limited number of specific sizes. Typically, the larger your hearing aid, the larger the battery you need.
If your hearing aid came with an owner’s manual, it will contain information about the size of the battery you need for your hearing aid. Otherwise, you may need to consult the healthcare / hearing care provider who assisted in selecting your hearing aid for you.
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Hearing Aid Battery Comparison Chart
To help make finding replacement batteries for hearing aids less confusing, the hearing aid industry created a standardized color coding system to easily identify your battery replacement.
You can view the hearing aid battery color coded chart below.
| Battery Size | Color Code | Dimensions (WxH) |
5 | Red | 5.8mm x 2.15mm Learn More |
10 or 230 | Yellow | 5.8mm x 3.6mm Learn More |
13 | Orange | 7.9mm x 5.4mm Learn More |
312 | Brown | 7.9mm x 3.6mm Learn More |
675 | Blue | 11.6mm x 5.4mm Learn More |
675 HP | Blue / Varies | 11.6mm x 5.4mm Learn More |
How can I extend the life of my disposable hearing aid battery?
Since most disposable hearing aid batteries don’t have too long of a battery life once activated, you might want to take good care of your hearing aid and its batteries to help optimize your hearing aid performance, extend the battery life, and hopefully, save you some money in the long run.
Here are some tips:
- Wash your hands before handling hearing aid batteries.
- Store your hearing aid batteries at room temperature, not in the refrigerator or freezer.
- Do not carry loose hearing aid batteries in your purse or pocket as contact with coins or keys can short-circuit them.
- When you are not using your hearing aid, turn it off and open the battery door to allow any moisture buildup to evaporate.
- Clean your hearing aid regularly. You can have your hearing healthcare professional do this for you.
- If you are using a zinc air hearing aid battery, note that it is not activated until you remove the sticky tab and allow oxygen to enter the battery.
Be sure to allow the battery enough time to absorb the oxygen needed to fully power your hearing aid before inserting it into your hearing aid.
Some manufacturers recommend at least 30-60 seconds (some others even recommend 3-5 minutes), although specific instructions for your particular battery model should be included on the battery packaging.
Can I use rechargeable batteries in my hearing aid?
Some newer rechargeable hearing aid battery technologies have developed in recent years including Nickel-Metal Hydride, Lithium Ion, and Silver-Zinc, so you may be wondering if it’s okay to use a rechargeable hearing aid battery in your hearing aid.
Some hearing aids can work with rechargeable batteries while others are not well suited for them as they (the hearing aids) have too high of an energy consumption, which results in either little to no cost benefit in switching from disposable batteries to rechargeable ones or an unstable performance.
With rechargeable Silver-Zinc hearing aid batteries in particular, they are only compatible with hearing aid devices designed to work with them.
Due to the important function of hearing aids, it is vital for consumers to follow all safety requirements necessary to maintain the proper operation of their hearing aids. This includes using the appropriate batteries to power hearing aids, so it is best to consult with your hearing specialist or the manufacturer of your hearing aid device on the compatible rechargeable battery chemistries to use with your hearing aid model if that is something you want to explore further.