Hearing Aid Batteries

A Comprehensive Guide

The lifespan of a hearing aid battery depends on the size and type. It varies from individual to individual in terms of how much use they will get out of their batteries.

Hearing aids are a great tool for people who are hearing impaired. They allow those with the condition to hear better and more clearly. While most people think that they will have to replace their batteries every so often, it is actually necessary less often than you might expect. This blog post aims to help you understand what types of batteries there are, how much they cost, and how long they last in your hearing aid device.

Two Types of Hearing Aid Batteries

Non-rechargeable batteries

Disposable batteries are the most common type of battery for hearing aids. Known as zinc air cells, there are a variety sizes to fit different types or styles from behind ear models all the way up through large body worn devices.  Zinc air batteries are best stored around room temperature to ensure that it lasts as long as possible and are air-activated. 

Rechargeable batteries

The newest hearing aids off the option of rechargeable batteries.

At bedtime the hearing aids are set into the included electric base.  The hearing aids can fully charge in a few hours and will be ready for a full day of use.

Sizes of Hearing Aid Batteries

Hearing aid batteries come in a variety of sizes. The size is determined by the voltage, and it’s important to know what your hearing aids need before you buy any new ones. Batteries are color-coded to indicate the size. The colors of hearing aid batteries can vary from manufacturer, but they will always be clearly labeled on packaging and in stores.  You can remember the number or the color of your hearing aid battery size.

Disposable Battery Sizing:

  • Size 10 – 5.8 mm wide by 3.6 mm high
  • Size 312 – 7.9 mm wide by 3.6 mm high
  • Size 13 – 7.9 mm wide by 5.4 mm high
  • Size 675 – 11.6 mm wide by 5.4 mm high

Battery Color-Coding:

  • YELLOW – Size 10 batteries
  • BROWN – Size 312 batteries
  • ORANGE – Size 13 batteries
  • bLUE – Size 675 batteries

Atlantic Hearing Care carries most battery sizes so you never have any trouble finding what you’re looking for. We also carry rechargeable lithium ion versions.

How long do hearing aid batteries last?

The lifespan of a hearing aid battery depends on the size and type. Size 312 batteries last about three days, while sizes 13 or larger typically have an average life span between one to two weeks per charge cycle.

Size 12s are most commonly used in behind-the ear models because they provide more power than smaller cells for better sound quality. These type of hearing aid batteries can go up to four months before needing replacement with daily use

You may ask – what is the perfect amount of time for your battery life, and what factors can affect your decisions? It varies from individual to individual in terms of how much use they will get out of their batteries. If you’re still unsure about changes in battery usage, make a habit of experimenting with different types or consulting with your audiologist on possible solutions.

The best thing about new types of rechargeable batteries is that it can last up to one week, depending on model and usage.  They are also much less expensive than disposable ones, and you don’t have the hassle or expense associated with disposing them after use (though they do need recharging every few days).

Hearing Aid Battery Question: 
If you have any questions about hearing aid batteries, our audiologists at Atlantic Hearing Care are here to help. Call us today for inquiries or to set an appointment!

The first step towards better hearing health is an appointment with our expert staff. Contact us today:

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990 Paradise Rd, Suite 3A
Swampscott, MA 01907


2 First Ave, Suite 127-1
Peabody, MA 01960


Call 781-581-1500

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