Hearing aid devices now come in many different styles such as behind-the-ear (BTE) aids, usually the largest and least expensive, in-the-ear (ITE) aids, in-the-canal (ITC) aids, and even newer for the Western market, completely-in-the-canal (CIC) aids, which cost about $2,000. There are even implantable hearing aid devices that work just like regular hearing aids but [...]

The advent of hearing aids many decades ago was a great blessing to the numerous people who had a hearing loss to one extent or another. However, no matter what kind or style of assistive listening device a person uses, all of these important hearing units are dependent upon minute batteries for power. For this [...]