power one offers the proven alternative to zinc air batteries. The power one wireless approved MERCURY-FREE are the new, hearing aid batteries that were designed for the the latest generation of wireless devices and hearing aids as well as Bluetooth applications. The introduction of our mercury-free hearing aid batteries, power one reaches its goal to be one of the most environmentally friendly battery manufacturers in the world. In the past, we were able to hold mercury content to a minimum; now, we supply top performing cochlear implant and hearing aid batteries that are 100% mercury-free. Long lasting, power one Hg 0% cells are manufactured in the world’s largest and most up-to-date hearing aid battery plant in Ellwangen, Germany. Our mercury-free cells use superior materials and are produced under strict clean room conditions.