Keep your hearing aids powered with these reliable Udivita PR41 size 312 batteries. This pack contains 80 zinc-air batteries, conveniently packaged in 10 blisters of 8 batteries each. Featuring Phono Pulse technology for consistent energy delivery and Intelligent Pulse Control to reduce fluctuations, these batteries offer stable performance across various temperatures and loads. With a 1.45V voltage and 180mAh capacity, they're mercury-free and compatible with most hearing aid brands and models, including modern wireless devices. Enjoy extended battery life and reliable power for daily use.