Signia hearing aid batteries come in all sizes for every hearing aid. Signia hearing aid batteries provide long running times at a constant voltage level which delivers optimum hearing aid performance. Signia hearing aid batteries are high quality with long life, even in powerful instruments. Signia hearing aid batteries size 312 are reliable and safe due to triple sealed high-quality material. Easy removal of cells with the innovative delivery wheel ensures only one battery is delivered at a time. It is mainly used for Receiver-In-Canal (RIC) and In-The-Canal (ITC) hearing aids. It is identified by Brown color coding. It provides long running times at a constant voltage level, thus contributing to optimum hearing aid performance.