Rayovac batteries are one of the cheapest batteries on the market, but have an excellent price-quality ratio. The hearing batteries last a long time and are produced in an environmentally friendly way. Rayovac battery packs contain six batteries. Due to the low price, it is a good idea to order multiple packages, so that you always have stock at home. If the batteries of your hearing aid are used up, you can replace them immediately. The Rayovac batteries provide a clear and consistent sound. The hearing aid batteries come with a nickel-plated stainless steel housing. This prevents rust and corrosion and the batteries have a shelf life of up to four years. If you are looking for hearing aids with high performance and stability, Rayovac is perfect for your hearing aid.