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.
What are common hearing aid battery sizes? Hearing aid batteries come in sizes are 10, 13, 312 and 675. To identify the size, most manufacturers use an industry standard color code on their zinc air tabs and packaging. Battery life is determined by the type and amplification of your hearing aid as well as the hours you wear your hearing aid. Your hearing care professional can tell you the battery life you can expect.