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.
Rayovac is the only hearing aid battery manufacturer with 2 plants. One of our plants is in Portage, Wisconsin USA. This plant manufactures size 10, 312, & 13 hearing aid batteries. We also have a plant in the UK that makes size 13, 312 and 675 hearing aid batteries.