Duracell branded zinc-air rechargeable Hearing Aid batteries are powerful and reliable. Individual packages are colour-coded, so you cannot choose the wrong type. The DA312 type is brown and provides a voltage of 1.45V. Duralock technology guarantees the shelf life of the unpacked product up to 4 years. Battery life depends on the type and gain of the hearing aid, usually 2-3 weeks.
Specifications can be changed without notice. Images are for illustrative purposes only.