Hearing Aid Batteries

Zinc-air batteries for hearing aids and medical devices, featuring air-activated chemistry and color-coding.

4 battery types documented

10

A10

Zinc Air

Voltage

1.45V

Capacity

95-105 mAh

Dimensions

⌀5.8mm × 3.6mm

Common Uses

Small hearing aids In-the-ear (ITE) hearing aids Completely-in-canal (CIC) hearing aids +1 more

Smallest hearing aid battery. Zinc-air chemistry provides stable voltage and high energy density. Air-activated system requires removal of sealing tab. Color-coded yellow for easy identification.

13

A13

Zinc Air

Voltage

1.45V

Capacity

280-310 mAh

Dimensions

⌀7.9mm × 5.4mm

Common Uses

Behind-the-ear (BTE) hearing aids Receiver-in-canal (RIC) hearing aids Power hearing aids +1 more

Most popular hearing aid battery size. Zinc-air chemistry provides stable voltage and high energy density. Air-activated system requires removal of sealing tab. Color-coded orange for easy identification. Excellent balance of size, capacity, and runtime.

312

A312

Zinc Air

Voltage

1.45V

Capacity

175-190 mAh

Dimensions

⌀7.9mm × 3.6mm

Common Uses

Behind-the-ear (BTE) hearing aids Receiver-in-canal (RIC) hearing aids In-the-ear (ITE) hearing aids +1 more

Mid-size hearing aid battery. Zinc-air chemistry provides stable voltage and high energy density. Air-activated system requires removal of sealing tab. Color-coded brown for easy identification. Good balance of size and capacity.

675

A675

Zinc Air

Voltage

1.45V

Capacity

600-650 mAh

Dimensions

⌀11.6mm × 5.4mm

Common Uses

Power hearing aids Super power hearing aids Body-worn hearing aids +2 more

Largest hearing aid battery with highest capacity. Zinc-air chemistry provides stable voltage and high energy density. Air-activated system requires removal of sealing tab. Color-coded blue for easy identification. Designed for power hearing aids and high-drain applications.

About Hearing Aid Batteries

Hearing aid batteries use zinc-air chemistry activated by removing a sealing tab. Color-coded for universal identification across manufacturers. High energy density but limited lifespan once activated due to air exposure. Sizes correspond to hearing aid power requirements.

Color Code System

Size 10 (Yellow) - Small hearing aids
Size 312 (Brown) - Medium hearing aids
Size 13 (Orange) - Large hearing aids
Size 675 (Blue) - Power hearing aids

Zinc-Air Properties

Air-activated by removing sealing tab
High energy density, stable voltage
3-14 day lifespan once activated
Cannot be recharged or deactivated