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Different types of hearing aids use different batteries. Some hearing aids are rechargeable, while some contain batteries that the user needs to change manually.

This article discusses types of hearing aid batteries and how long they last. It gives a list of brand examples and covers some information about hearing health before answering frequently asked questions.

A quick look at the best hearing aids and hearing aid batteries

Rechargeable hearing aids are becoming increasingly popular among leading hearing care brands. Most of these rechargeable batteries are lithium-ion batteries, and the user needs to charge them in a docking dock, typically overnight.

Disposable batteries in hearing aids tend to be zinc-air batteries. These activate when a person removes the seal from the back of the battery before inserting it into the device. The lifespan of these batteries depends on the type and how often a person uses the device.

Many hearing aid centers allow people to drop off their used disposable batteries for recycling. Responsible disposal of medical devices, such as hearing aid batteries, can help prevent environmental pollution.

It is important to store and dispose of batteries safely to prevent children and animals from swallowing small batteries or inserting them into their ears or nose.

Learn more about different types of hearing aids here.

The four most common sizes of hearing aid batteries, which are color-coded, are:

  • Size 10 (yellow): This is the smallest battery size that power completely-in-canal (CIC) and some in-the-canal (ITC) models.
  • Size 312 (brown): These power behind-the-ear (BTE), receiver-in-the-ear, receiver-in-canal (RIC), and some in-the-ear (ITE) models.
  • Size 13 (orange): The size 13 battery suits BTE and ITE hearing aids.
  • Size 675 (blue): This is the largest hearing aid battery that powers BTE hearing aids.

A hearing aid battery’s lifespan depends on the type and how frequently a person uses the hearing aid.

Depending on usage, people should charge rechargeable hearing aids overnight. Most companies claim they can last for 20–30 hours between charges.

In many models, if a person uses streaming from other devices via Bluetooth, the battery drains more quickly.

The rechargeable batteries themselves can last for approximately 4–5 years before they need replacing.

For disposable batteries, the lifespan can range from 3 days to 3 weeks, though it depends on the size:

  • Size 10 (yellow): 3–7 days
  • Size 312 (brown): 3–10 days
  • Size 13 (orange): 6–14 days
  • Size 675 (blue): 9–20 days

To ensure maximum efficiency from batteries, a person should switch off their hearing aids when not in use.

People should also not allow disposable batteries to come into contact with other metal objects, such as coins or keys, as this can short-circuit the battery.

A person may choose rechargeable hearing aids because they do not have to physically change the battery. A rechargeable battery is more convenient and places fewer demands on a person’s dexterity and vision than disposable hearing aid batteries.

However, rechargeable batteries are not always available in every style. Therefore, it is important that a person decides which style will be best for them before purchasing.

Rechargeable hearing aids are often more expensive than others, so a person should also consider investing in a long-term battery option.

Disposable batteries may initially cost less, but they may be more expensive in the long term, as a person will need to buy replacement batteries more frequently.

Learn more about the cost of hearing aids.

Disposable battery-powered hearing aids may benefit people who travel regularly. When a person is traveling, it may be easier and quicker to physically change a battery than to find a power source to charge the device.

Rechargeable batteries have a lower environmental impact for people wanting to choose an environmentally friendly option.

MNT chooses products that fit the following criteria where possible:

  • FDA approval: MNT chooses products that have received FDA approval.
  • Hearing aid styles: MNT chooses products in a range of styles, such as ITE, ITC, and BTE.
  • Features: MNT chooses products with a range of features, such as rechargeable batteries, white noise, and smartphone app connectivity.

Below is a list of leading hearing aids and where to buy suitable batteries for each model.

Please note that the writer of this article has not tried these products. All information presented is purely research-based and correct at the time of publication.

Medical News Today follows a strict product selection and vetting process. Learn more here.

Best for a telecoil option: Signia Motion 13 Nx

  • Style: BTE
  • Colors: 12

The Motion 13 Nx takes size 13 (orange) batteries. Signia writes these batteries can provide around 5 days of power.

This hearing aid can connect to the Signia app, and there is an optional telecoil and a wide range of colors to choose from.

Signia hearing aids are best for people looking for a wide range of color options and hearing aids for all levels of hearing loss.

A person can buy size 13 batteries from Amazon for around $7.50.

Best for a long battery life: Signia Pure Charge&Go X

  • Style: RIC
  • Colors: 10

The Pure Charge&Go X hearing aid is Signia’s rechargeable model. The company does not provide information on the size of this model’s rechargeable battery. However, it writes that a full charge can provide between 7–10 days of power.

It features acoustic motion-sensor technology, and a person can connect the hearing aid to the Signia app.

A person will buy the battery with the hearing aid.

Learn more about Signia hearing aids.

Best for advanced technology: Starkey Livio Edge AI

  • Style: BTE, RIC, ITE, ITC
  • Colors: 7 for BTE models, 6 for ITE models

The Livio Edge AI model by Starkey uses rechargeable batteries. The Livio Edge AI provides 24 hours of power on a full charge.

It is Bluetooth-compatible with certain smartphones and accessories. It uses artificial intelligence (AI) and embedded sensors to adapt to different environments. It also connects to the Starkey app.

Starkey hearing aids may be best suited to people looking for hearing aids that use advanced technology and have a longer battery life than many brands.

A person can buy size 13 batteries on Amazon for around $7.50.

Best for customizable in-the-ear models: Starkey Picasso

  • Style: ITE, ITC, CIC, IIC
  • Colors: 6

The Picasso model uses disposable batteries, but the type depends on the style. It can use size 10, 13, or 312 batteries. Starkey writes they can last for between 3–12 days.

A person can connect the Picasso hearing aid to certain Starkey accessories, and they can customize the hearing aid to fit their individual ear shape.

A person can buy size 312 batteries on Amazon for around $28.

Learn more about Starkey hearing aids.

Best for a customizable behind-the-ear model: Nano X2 Recharge

  • Style: BTE
  • Colors: 2

This model is rechargeable. It offers a slightly longer battery life than the CIC model — up to 23 hours.

Nano hearing aids may be best for people who want a hearing aid with a customizable fit, as they come with several earbud options. This model also comes with a portable charging case.

A person buys the battery with the hearing aid.

Best for a range of earbud sizes: Nano CIC Hearing Aid

  • Style: CIC
  • Colors: 2

The Nano CIC uses a rechargeable hearing aid battery. It offers up to 16 hours of power on a full charge.

This hearing aid is not compatible with Bluetooth. A person can choose from over four earbud sizes to find the best fit.

A person can buy size 10 hearing aid batteries on Amazon for around $22.

Learn more about Nano hearing aids.

Best for a wide range of styles: ReSound LiNX Quattro

  • Style: CIC, ITC, ITE, BTE, RIC, microphone-in-helix (MIH)
  • Colors: 7–14, depending on style

The ReSound LiNX Quattro model is rechargeable.

A person can connect this hearing aid to the company’s app. This app can monitor battery life. It is also Bluetooth compatible.

The LiNX Quattro battery may need charging once a day.

A person will buy the battery with the hearing aid.

Best for severe hearing loss: ReSound Enzo Q

  • Style: CIC, ITC, ITE, BTE, RIC, microphone-in-helix (MIH)
  • Colors: 7–14, depending on style

The ReSound Enzo Q model takes a disposable size 13 (orange) or size 675 (blue), depending on the model a person chooses.

The hearing aid features Bluetooth connectivity and is suitable for people with severe to profound hearing loss.

A person will need to change the Enzo Q disposable batteries around 20–60 times a year.

ReSound hearing aids may be best for people who want hearing aids for severe to profound hearing loss.

A person can order size 675 batteries on Amazon for around $22.50.

The table below compares the batteries for the hearing aid brands included in this article.

Battery type Battery lifeBattery size
Signia Motion 13 Nxdisposablearound 5 days13
Signia Pure Charge&Go Xrechargeable7–10 daysno information available
Starkey Livio Edge AIrechargeable24 hours13
Starkey Picassodisposablebetween 3–12 days13
Nano X2 Rechargerechargeableup to 23 hours312
Nano CICrechargeableup to 16 hours10
ReSound LiNX Quattrorechargeableup to 30 hours312
ReSound Enzo Qdisposable6–14 days for size 13 (High Power model)
9–20 days for size 675 (Super Power model)

The National Institute of Deafness and Other Communication Disorders states that fewer than 30% of adults aged 70 or older who could benefit from hearing aids use them.

The Centers for Disease Control and Prevention (CDC) say that about 25% of adults in the United States who say they have excellent to good hearing have some level of hearing damage.

Aging and noise exposure are among the most common causes of hearing loss. A person can try to protect themselves from noise exposure by:

  • avoiding noisy places where possible
  • putting as much distance between the noise source and a person
  • using earplugs if possible, especially in loud environments, such as music concerts
  • keeping music and television volume down
  • getting checked by a doctor if noise exposure is a problem

A person should contact a doctor early if they have concerns about their hearing. This can help them see the appropriate hearing care specialist more quickly.

If a person experiences the following symptoms, they should contact a doctor:

  • difficulty hearing over the phone
  • difficulty understanding conversations with two or more people talking at once
  • often asking people to repeat themselves
  • turning up the TV loudly enough for others to complain
  • difficulty hearing when there is background noise
  • feeling that other people mumble
  • difficulty understanding female and children’s voices

A doctor may look for an infection, injury, or earwax buildup affecting a person’s hearing.

The types of hearing care professionals a person may see include:

Learn more about the types of hearing doctors.

Below, we answer some of the top frequently asked questions about hearing aid batteries.

What is the 5-minute rule for hearing aid batteries?

A person may be able to lengthen their hearing aid battery life by leaving it to air for 5 minutes before placing it in the hearing aid.

An eighth-grade student ran tests with an audiologist to see if waiting for a short period before putting in a new hearing aid battery would lengthen its life.

The student found that doing this allowed the zinc inside the battery to mix with oxygen for longer, which extended the battery life by up to 3 days.

How long should a battery last in a hearing aid?

How long a battery lasts in a hearing aid depends on the type of battery and the features a person uses. For instance, streaming audio from the TV will use up more battery than simply using a hearing aid to hear people speaking.

Typically, disposable hearing aid batteries can last 3–22 days.

Rechargeable batteries can last up to 30 hours on a full charge.

Are all 312 hearing aid batteries the same?

Yes, all 312 hearing aid batteries are the same in size. However, the quality may vary between manufacturers.

A person should check the expiry date on the batteries before buying.

Can I get free hearing aid batteries?

It is generally not possible for a person to get free hearing aid batteries, though companies may run promotions and offers that include complimentary batteries if a person purchases a hearing aid.

There are many types of hearing aid batteries. Some are rechargeable and others are disposable, requiring a physical battery change regularly.

Many leading hearing aid brands offer both rechargeable and disposable battery-powered models. If a person owns a disposable battery-powered model, they should check which battery size is needed.

A person might have to pay more for rechargeable hearing aids at first, but they last for around 4 years on average before the battery needs replacing. Disposable hearing aid batteries will need replacing anywhere between every week to every 3 weeks.

Rechargeable hearing aid batteries may have less environmental impact than disposable hearing aid batteries.