Power One 312 Hearing Aid Batteries (60 Pack) - Premium Zinc Air Batteries for Hearing Devices with Free Keychain Battery Holder - Perfect for Travel, Work & Daily Use

power one EVOLUTION Hearing aid batteries with highest energy density are the result of consistent research work and ongoing development. Our expertise here is based on the synergy of wide-ranging material research, many years of experience in cell development and our own manufacturing plant technology. Our newest development is the power one EVOLUTION, based on TFT (Thin Foil Technology). It has a very high energy density, more capacity than our well-established hearing aid batteries and therefore a longer operating life – by up to 15%. Total of 60 Batteries and Keychain Battery Holder.

Newest EVOLUTION 15% Longer Battery Life

Total of 60 Batteries

Guaranteed Fresh, with the Black Evolution Battery Pack

Made in Germany

Newest TFT Thin Foil Technology.