It is not easy to give a single answer to the question “Which kind of hearing aid battery should I purchase?” because hearing aid types and styles vary widely, and so do the batteries used to power them. For anybody that already owns a hearing aid the owner’s manual should state clearly which battery size is required. Conversely you can call the provider that sold you the aid to ask. In the event that you do not own a hearing aid yet and are looking to decide which model and type is right for you, do a little research to help you decide. The kind of batteries that a hearing aid takes can significantly impact the lifetime price of the aid because of variations in price and battery life.

The producers of hearing aids and hearing aid batteries have made life simpler for you by implementing a standardized color coding system, to make finding the correct size easier. Batteries of the same type and size will always have the same color code on their packages, irrespective of which company made them.

In all likelihood your hearing aid will run on one of these 4 varieties:

Size 13 / Orange – Orange always means Size 13 batteries. These batteries are intermediate in size and hold a charge for approximately 240 hours. This size battery is commonly found in In-the-Ear (ITE) and Behind-the-Ear (BTE) hearing aids.

Size 312 / Brown – The color brown always means Size 312 batteries. These batteries are on the smaller end of the spectrum and generally hold a charge approximately 175 hours. Size 312 batteries are common in In-The-Ear (ITE) and In-The-Canal (ITC) hearing aids.

Size 675 / Blue – Size 675 always has the color code of blue, and is typically found in Behind-The-Ear (BTE) hearing aids and in certain cochlear implants; the 675 batteries are rather large and can hold a longer charge – as much as 300 hours.

Size 10 / Yellow – Hearing aid batteries that have a yellow color code are Size 10, and may be the easiest to find because they are typically used in Completely-In-Canal (CIC) and In-The-Canal (ITC) types of hearing aids; their battery life is shorter, an average of 80 hours.

These four battery sizes cover most hearing aids, however there are a few exceptions that necessitate different batteries. Most in-store providers of hearing aid batteries stock and advertise the most common battery types above, but if you request a special type, they can usually get it for you.

Be sure you consult the manual that comes with your unit before purchasing batteries, because a number of the new hearing aids use rechargeable batteries, so disposable batteries are only needed for emergencies. Also, always store your hearing aid batteries in their unopened packages and at room temperature to ensure that they hold their full charge.

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