The Rayovac Crystal Clear Size 13 Orange Zinc-Air Hearing Aid Batteries offering long-lasting power for your hearing aids. With a battery capacity of 100 mAh and a voltage of 1.45 V, these disposable batteries are designed for easy installation and reliable performance. Made with a chemical composition of Zinc-Air, these batteries provide clear and consistent sound amplification, ensuring a hassle-free daily living experience for those in need of hearing assistance.