Zinc Air is the most popular battery power system for hearing aids. Through a unique construction that utilizes air from outside the battery, these batteries produce much more energy than any other battery system due to much higher energy density. With zinc air batteries, you can expect much longer battery life than any other batteries of the same size. Today, mercury free Zinc-Air cells are the industry-standard technology to keep hearing aids running smoothly and environment friendly. Please allow up to 18 business days for delivery after package has left the U.S. Some locations such as Brasil, Spain, Greece, Italy, and Russia can take up to 6-8 Weeks for delivery and sometimes longer due to customs delays. If you selected USPS First Class International Mail and already made your purchas.
