Rayovac batteries are formulated to provide quality performance over the life of the battery and deliver more power when you need it. Our easy-to-use package features longer battery tabs, a secure dial, and a reclosable door. It is easy to open and has a safe dial and has an easy-access reclosable door. You can easily handle and remove the battery from the hearing aid. Rayovac hearing aid battery size 312 is mercury-free and uses zinc-air technology. It is identified by Brown color packing. It is mainly used in the Receiver-In-Canal (RIC) and In-The-Canal (ITC) hearing aids. Rayovac Extra advanced premium batteries are made in the UK and built with Rayovac's Clear Sound Technology inside every battery cell, offering high-quality performance throughout battery life.
