Free Online Hearing Test Now Available
Hearing loss can be gradual, and often undetectable, as your brain adjusts to the level of hearing. This simple and free hearing test can determine your base hearing capacity.
Size 13 batteries are usually used in larger behind-the-ear or in-the-ear devices that deliver greater amplification and offer telecoil connectivity. Each battery has a shelf life of at least three years.
Power One hearing aid batteries deliver consistent, stable and sustained power to more hearing aids than any other battery in the world.