Rayovac hearing aid batteries are equipped with Clear Sound technology, which guarantees constant, high-quality performance over the entire service life of the battery. This technology ensures optimal performance of the hearing aid by supporting all functions over a long period of time, regardless of the background noise present. The resealable packaging of the blister increases the ease of use and storage of the batteries. Rayovac batteries for hearing aids combine performance with environmentally conscious manufacturing: A mercury-free anode, organic electrolytes and recyclable packaging.