The Intenso Energy Ultra PR41-312 hearing aid batteries deliver reliable performance and consistently high voltage for clear, uninterrupted sound quality. With a nominal voltage of 1.45 V and a capacity of up to 148 mAh, they provide up to 74 hours of continuous energy. The advanced zinc-air technology (Zn/O₂) ensures stable performance – ideal for everyday use in digital and high-performance hearing aids.