Product Overview: The Renata Hearing Aid Battery 312 is specifically designed to provide reliable and consistent power to hearing aids, ensuring optimal functionality. Key Features: ‣ Optimized for Hearing Aids: Tailored to meet the power demands of modern hearing aids. ‣ Long-Lasting: Provides extended usage time. ‣ Mercury-Free: Environmentally friendly and safe for users. Technical Specifications: ‣ Material: Zinc-air technology. ‣ Dimensions: Standard size 312 ‣ Compatibility: Specifically designed for use in hearing aids, offering reliable and long-lasting performance.