Rayovac Extra Advanced 13 Category_Batteries/BATTERIES BY BRAND/ZeniPower This improves performance in high

This improves performance in high demand aids used by people who are severely hearing-impaired

ISO9001 strict management certification

and vent hole design

and low cost for Zenipower's entire line of hearing aid and cochlear implant batteries

Rayovac Extra Advanced 13 Category_Batteries/BATTERIES BY BRAND/ZeniPower This improves performance in highThe Rayovac Extra Advanced comes with a nickel clad stainless steel housing to prevent rust and corrosion and a shelf life of up to four years. The Rayovac Extra Advanced zinc air hearing aid batteries offer higher power while increasing life. This improves performance in high demand aids used by people who are severely hearing impaired, including digital and programmable aids. High drain hearing aids demand greater air flow. Rayovac's "Air Management