PowerOne batteries are one of the cheapest batteries on the market and have an excellent price-quality ratio. The hearing batteries last a long time, which is great. The packs of PowerOne batteries contain six batteries. Due to the low price, it is wise to order multiple packages at once, so that you always have stock at home. If the batteries of your hearing aid are used up, you can replace them immediately. The PowerOne 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 batteries with high performance and stability, PowerOne is very suitable for your hearing aid.