Experience the world’s longest mercury-free hearing aid battery. Rayovac Extra Advanced! After years of technological development and innovation, Rayovac is able to offer users up to 30% more power on devices of even higher demands. This was made possible by the development of a new cathode design, which enhances cell reliability, even in high-power devices.
Chemical composition of Zinc air
Pieces of packaging 6
312AE, 312AP, 312HPX, 4607, A312, DA312, PR41, PZA312H