Premium Power One Size 312 Mercury-Free Hearing Aid Batteries - Long Lasting Zinc Air for Hearing Devices - Perfect for Travel, Work & Daily Use

Powerone hearing aid batteries have extra long tabs allow the user to insert the battery into the hearing aid with ease. Each battery is tested for its electrical and mechanical characteristics in accordance with its specifications. Highly developed film seal for every battery guarantees that the battery does not dry out or drain prematurely. The stainless steel housing provides high-level stability and safe protection against corrosion. Quality steel guarantees maximum product protection.