The lifespan of hearing aid batteries depends on a few factors, including the battery size, the type of hearing aid, how often you use it, and the amount of streaming you do. Typically, there are four sizes of hearing aid batteries:
Rechargeable batteries are also available, and they can last for a full day of use before needing to be recharged. The lifespan of rechargeable batteries varies depending on the user's listening environment, the type of hearing aid device they use, and the hearing aid settings.
Steps:
Most rechargeable hearing aids have sealed batteries that are not designed for user replacement. This is often for safety and to maintain the hearing aid's water resistance.
Professional replacement:
If the battery life significantly reduces or fails, you'll need to contact your hearing care professional. They can send the hearing aids to the manufacturer for battery replacement or servicing.
User-replaceable batteries:
Some of their rechargeable hearing aids have batteries that can be replaced by the user. They provide instructions and replacement batteries for purchase.