Rainpro 5PCS/LOT A675 PR44 AG13 Zinc Air battery for BTE high power ear back hearing aid 1.45V  .Product description:

The battery life depends on the type of hearing aid and the environment in which it is used. The power consumption of high-power hearing aids is also large. Even for the same type of hearing aids, the power consumption will be different due to different settings and use environments of hearing aids. Hearing aid battery is Zinc air battery, which can work only when it is in contact with air. The battery should not be exposed to air before use. Adhesive stickers are pasted on the battery to ensure that the battery remains sealed before use.