TAKING THE CPA EXAM ................................................................................... 12. Problems at a Prometric Testing Center.............................................................
Hearing aid batteries last anywhere between five and 14 days depending on the above factors. You will know it's time to replace your hearing aid batteries when the aids start beeping. One solution to save money and make batteries last longer is to purchase rechargeable batteries.
Hearing aid batteries are normally made of zinc, a metal that can help prolong the life of the product. After peeling the sticker off of a new battery, be sure to give it 5 minutes to be fully activated by the surrounding oxygen in the room.