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Available in a carton only. There are 60 batteries per carton. These batteries should be used only when the manufacturer recommends the GenX style battery. If the manufacturer does not recommend GenX batteries, you may experience shorter battery life with your hearing aid. Due to continuous technical advances and product enhancements in hearing aids, Rayovac® has responded with the development of a new technical platform capable of delivering the increased power capacity needed, without compromising other areas of performance. As these instruments pull a heavy power load, standard zinc air cells cannot always maintain the higher operating voltages required and wears may therefore experience shortened battery life. Extreme Performance overcomes these problems and meets the specific demands of this power hungry group of hearing devices by providing improved up-front voltage and great stability during high drain discharge.

Available in a carton only. There are 60 batteries per carton. These batteries should be used only when the manufacturer recommends the GenX style battery. If the manufacturer does not recommend GenX batteries, you may experience shorter battery life with your hearing aid. Due to continuous technical advances and product enhancements in hearing aids, Rayovac® has responded with the development of a new technical platform capable of delivering the increased power capacity needed, without compromising other areas of performance. As these instruments pull a heavy power load, standard zinc air cells cannot always maintain the higher operating voltages required and wears may therefore experience shortened battery life. Extreme Performance overcomes these problems and meets the specific demands of this power hungry group of hearing devices by providing improved up-front voltage and great stability during high drain discharge.

There are 40 batteries per carton. Rayovac® ProLine® ADVANCED delivers Rayovac's best performing hearing aid battery coupled with the unsurpassed quality that you have come to expect. Rayovac ProLine Advanced premium zinc air hearing aid batteries offer you long-lasting performance. You can count on Rayovac ProLine Advanced batteries to offer you predictable battery life and consistency - battery to battery.

Available in a carton only. There are 60 batteries per carton. Cochlear Advanced is a new battery designed specifically to meet the needs of patients with cochlear implants. Cochlear Advanced offers 30% more power than previous designs!

There are 48 batteries per carton. High drain hearing aid devices have greater air flow demand. The addition of Rayovac's "Air Management System", which combines the air cathode, diffusion control element, and vent hole design, provides consistent air flow throughout battery life. This development allows the battery to access the precise amount of air needed, maximizing battery power, without compromising performance. The end result is a more consistent, better performing hearing aid battery every time.

There are 48 batteries per carton. High drain hearing aid devices have greater air flow demand. The addition of Rayovac's "Air Management System", which combines the air cathode, diffusion control element, and vent hole design, provides consistent air flow throughout battery life. This development allows the battery to access the precise amount of air needed, maximizing battery power, without compromising performance. The end result is a more consistent, better performing hearing aid battery every time.

Rayovac® ProLine® ADVANCED delivers Rayovac's best performing hearing aid battery coupled with the unsurpassed quality that you have come to expect. Rayovac ProLine Advanced premium zinc air hearing aid batteries offer you long-lasting performanc

Rayovac® ProLine® ADVANCED delivers Rayovac's best performing hearing aid battery coupled with the unsurpassed quality that you have come to expect. Rayovac ProLine Advanced premium zinc air hearing aid batteries offer you long-lasting performance.

There are 48 batteries per carton. High drain hearing aid devices have greater air flow demand. The addition of Rayovac's "Air Management System", which combines the air cathode, diffusion control element, and vent hole design, provides consistent air flow throughout battery life. This development allows the battery to access the precise amount of air needed, maximizing battery power, without compromising performance. The end result is a more consistent, better performing hearing aid battery every time.

Rayovac® ProLine® ADVANCED delivers Rayovac's best performing hearing aid battery coupled with the unsurpassed quality that you have come to expect. Rayovac ProLine Advanced premium zinc air hearing aid batteries offer you long-lasting performance.