Hearing Aid Batteries

size of hearing aid batteries

Just like any other electronic devices, hearing aids use batteries to operate. The battery is an essential part of the hearing aid to function. Thus, why users need to choose a high-quality hearing aid battery to ensure long-lasting performance; a good battery will prolong a hearing aid’s life without users having to change it frequently.

Types of Hearing Aid Batteries


Hearing aid manufacturers believe that rechargeable batteries can provide the two main criteria a hearing aid needs, small in size but powerful enough to last for a few weeks. The three types of rechargeable batteries currently available in the market are nickel-metal hydride, silver-zinc, and lithium-ion.


Also known as button batteries, the zinc-air button disposable batteries are the other common battery choice for hearing aids. This type of disposable battery is usually found with colour-coding to identify the sizes and power effectively. These batteries are air-activated; thus, users must keep it sealed until 5 minutes before usage.

Disposable Hearing Aid Battery Sizes

Hearing aids are designed in various sizes and styles and with varying needs of power. Larger hearing aids require larger batteries. Additionally, hearing aids for users with severe or profound hearing loss will need a more powerful battery.


The four most used hearing aid battery are as below:

Size 10 – 5.8 mm x 3.6 mm [yellow label]
Size 312 – 7.9 mm x 3.6 mm [brown label]
Size 13 – 7.9 mm x by 5.4 mm [orange label]
Size 675 – 11.6 mm x 5.4 mm [blue label]

Hearing Aid Battery Life

The disposable hearing aid battery life typically depends on the battery’s size and how much power the hearing aid requires to perform, which generally takes 14 days to drain.

The average hearing aid battery life according to the sizes are as below:

Size 10 – three to seven days
Size 312 – three to 10 days
Size 13 – six to 14 days
Size 675 – nine to 20 days

Tips for Using and Prolong the Life of Hearing Aid Batteries

  • Empty battery should not be kept in a hearing aid
  • Always ensure the battery is not in contact with other metal objects
  • Batteries should be kept in their designed storage until usage is needed
  • Always keep the batteries dry and at room temperature
  • Only remove the protective tab at the back of the battery 5 minutes before installing them into your hearing aid

Where to Purchase Hearing Aid Battery

Hearing aid batteries can easily be purchased from a pharmacy, retail stores, online retailers, or electronic stores. You might also want to buy the battery from Jglasses & Hearing the best hearing aid shop in Singapore. Visit us for a professional hearing aids Singapore team. Our team will come in handy to ensure you purchase the right battery size and power that fits your hearing aid needs.