These batteries are suitable for all types of hearing aids - analog or digital and behind-the-ear or in-the-ear.Energizer has successfully created a better power alternative for hearing aid users and for the environment by eliminating mercury and reducing the level of lead from its full line of hearing aid batteries. All of this was achieved without compromising on the battery performance.• Environmentally safe• High energy density • Fairly constant voltage Blister of 8 pieces. * Aantal batterijen: 8 * Oplaadbaar: No * Spanning: 1.4 V * Technologie: Zink-Lucht * Type apparaat: Gehoorapparaat * Type batterij: PR41/ 312