Which hearing aid battery fits my hearing aid?

Each hearing aid battery has a unique number and a unique colour code that makes it easy to know which model your hearing aid needs, below is a list of the model numbers and its colour: 

• Model 13 - (A13, PR48, Z13) - Orange
• Model 312 - (A312, Z312) - Brown
• Model 10 - (A10, Z10) - Yellow
• Model 675 - (A675, Z675) - Blue
• Model 675P - (A675P, Z675P, Cochlear Battery, Implant Battery)

Both Accessory Line and Rayovac work with all hearing aids and we at Hearstore usually recommend Accessory Line's own hearing aid batteries as they are affordable with good quality. If you have any questions, you are always welcome to contact us for free advice.

What size are hearing aid batteries?

Hearing aid batteries have a model number and colour to help you choose the right battery for your hearing aid. In addition to the model number and colour, the different batteries also have different sizes. Below you can see the sizes of each hearing aid battery:

• Model 10 - Width: 5.8 mm height 3.6 mm
  It is the smallest size of hearing aid battery and does not have as much storage capacity as other models. The small size makes it ideal for smaller hearing aids.
• Model 312 - Width: 7.9 mm height 3.6 mm
  This model is thinner than model 13 and has a shorter overall lifetime.
• Model 13 - Width: 7.9 mm height 5.4 mm
  This model is the most common for hearing aids used in the ear, it has a smaller storage capacity than the 675.
• Model 675 Width: 11.6 mm height 5.4 mm
  This is the largest size of hearing aid batteries and it is primarily used for behind-the-ear hearing aids.